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Every fall I look at my pepper plants loaded with fruit and my rosemary at its biggest, and I hate the idea of handing them over to the first hard freeze. The good news is you don't have to. Peppers, rosemary, and geraniums are all perennials somewhere in the world, and basil will keep going for a while on a windowsill if you start it right. But whether a plant makes it to spring gets decided mostly before it ever comes through the door. In this episode we're talking about which plants are worth the space, when to bring them in, and whether to keep them growing, put them to sleep, or just take cuttings. Then we'll get into my step-by-step for leaving aphids, spider mites, whiteflies, and fungus gnats outside, including why dish soap isn't the same as insecticidal soap and how long to keep new arrivals away from your houseplants. We'll finish with plant-by-plant care for peppers, rosemary, basil, and geraniums, plus a place where the experts don't agree. Let’s dig in. Get your fair-trade, organic coffee and support the show at https://LarrysCoffee.com/JustGrow Root Boost Rooting Hormone: https://amzn.to/4BeOCWX Pure Castile Soap for insecticidal soap: https://amzn.to/3U0HnBb References and Resources: Pests and Insecticidal Soap Iowa State University Extension and Outreach, Yard and Garden — Can I Use Dish Soap Instead of Insecticidal Soap to Treat for Insect Pests? (detergent vs. true soap, phytotoxicity, contact-only action, reapplying): https://yardandgarden.extension.iastate.edu/faq/can-i-use-dish-soap-instead-insecticidal-soap-treat-insect-pests University of Florida IFAS Gardening Solutions — Soaps, Detergents and Pest Management (don't treat drought-stressed plants or above 90°F): https://gardeningsolutions.ifas.ufl.edu/care/pests-and-diseases/pests/soaps-detergents-and-pest-management/ Nebraska Extension in Lancaster County — Washing Pests Away, Sarah Browning (2–3 applications at 4–7 day intervals, testing a small area first): https://lancaster.unl.edu/washing-pests-away/ University of Minnesota Extension — Houseplant Pests (spider mite white paper tap test, mealybugs, fungus gnat management): https://extension.umn.edu/news/houseplant-pests Iowa State University Extension and Outreach, Yard and Garden — Spider Mites on Houseplants (dry winter air, stippling, webbing, rinsing in the shower): https://yardandgarden.extension.iastate.edu/article/2007/12-5/SpiderMites.html Iowa State University Extension and Outreach, Yard and Garden — Fungus Gnats in Houseplants (overwatering, letting soil dry): https://yardandgarden.extension.iastate.edu/article/2023/02/fungus-gnats-houseplants Peppers New Mexico State University, Southwest Yard & Garden — Chiles Can Be Grown Year-Round if They Are Brought Indoors (south window with about 4 hours of sun, nights around 50°F, underwatering losses, monthly fertilizer): https://swyg.nmsu.edu/2014/101814.html New Mexico State University, Southwest Yard & Garden — Chiles for New Mexico Holiday Houseplants (chiles as frost-tender perennials): https://swyg.nmsu.edu/2007/110307.html Ask Extension — Overwintering Peppers (nights above 50°F, days around 70°F, artificial light for fruiting; hot peppers more resilient; dormancy option): https://ask.extension.org/kb/faq.php?id=855650 Rosemary University of Illinois Extension, The Garden Scoop — Rosemary, Ryan Pankau (50–60°F indoors, very bright light, hardiness zone 7, 'Arp' and 'Hill Hardy' to zone 6, outdoor protection): https://extension.illinois.edu/blogs/garden-scoop/2018-10-18-rosemary Nebraska Extension in Lancaster County — Rosemary, An Herb for All Seasons, Sarah Browning (zones 7–10, 50–55°F indoors, watering): https://lancaster.unl.edu/rosemary-herb-all-seasons University of Arkansas Cooperative Extension — Rosemary, Janet B. Carson (overwatering as the biggest indoor risk, coolest sunny room, holiday topiaries): https://www.uaex.uada.edu/yard-garden/home-landscape/adgrosemaryjan2018.pdf University of Wisconsin Plant Disease Diagnostics Clinic — November 2020: Houseplant Horrors (powdery mildew on rosemary indoors, kitchen humidity): https://pddc.wisc.edu/2020/11/11/november-2020-houseplant-horrors/ Basil and Indoor Herbs Brindisi, L.J., & Simon, J.E. (2023). Preharvest and postharvest techniques that optimize the shelf life of fresh basil (Ocimum basilicum): a review. Frontiers in Plant Science 14: 1237577 (chilling injury below about 54°F and severe below 50°F): https://doi.org/10.3389/fpls.2023.1237577 University of Illinois Extension, Flowers, Fruits, and Frass — Growing Basil in Your Backyard, Brittnay Haag (tender annual, flowering makes plants woody and bitter, digging before frost extends the season): https://extension.illinois.edu/blogs/flowers-fruits-and-frass/2020-05-13-growing-basil-your-backyard Cornell Cooperative Extension Tompkins County — Herbs for Your Winter Windowsill, Pat Curran (digging basil in late summer, cutting back by a third to a half, rosemary leaves don't wilt, 1-gallon pots, separating outdoor plants from houseplants): https://bpb-us-e1.wpmucdn.com/blogs.cornell.edu/dist/c/10116/files/Windowsill-Herbs-Pat-Curran-March-2017-21jwe6n.pdf University of Illinois Extension — Keep Growing Herbs Indoors This Fall, Winter, Christopher Enroth (6–8 hours of bright light, 12–16 hours under lights, 70°F or below): https://extension.illinois.edu/news-releases/keep-growing-herbs-indoors-fall-winter Iowa State University Extension and Outreach, Yard and Garden — Can I Grow Herbs Indoors Over the Winter? (rosemary may need grow lights, clay pots, watering): https://yardandgarden.extension.iastate.edu/faq/can-i-grow-herbs-indoors-over-winter University of Minnesota Extension — Basil Downy Mildew (symptoms, remove infected plants, Genovese susceptibility, DMR varieties): https://extension.umn.edu/diseases/basil-downy-mildew Geraniums University of Illinois Extension, Good Growing — How to Overwinter Geraniums for Next Year's Garden, Ken Johnson (three methods, 45–50°F bare-root storage, cuttings root in 4–8 weeks): https://extension.illinois.edu/blogs/good-growing/2024-10-11-how-overwinter-geraniums-next-years-garden Iowa State University Extension and Outreach, Yard and Garden — How Can I Over-Winter My Geraniums Indoors? (65–70°F, March pruning, 45–55°F bare-root storage, cuttings root in 6–8 weeks): https://yardandgarden.extension.iastate.edu/faq/how-can-i-over-winter-my-geraniums-indoors University of Wisconsin–Madison Division of Extension — Overwintering Tender Geraniums, Margaret Murphy (60–65°F, optional root soaking, soaked vs. dry comparison, cuttings as backup): https://hort.extension.wisc.edu/overwintering-tender-geraniums Missouri Botanical Garden — How Can I Overwinter My Geranium Plants? (cuttings root in 3–4 weeks, modern basements too warm and dry, soaking roots every few weeks): https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/gardening-help-faqs/question/1374/how-can-i-overwinter-my-geranium-plants Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Every fall somebody asks me if they can save the seeds from that amazing tomato or melon they just ate, and the answer is "maybe." Whether a saved seed grows into the plant you loved gets decided twice. The first time is months earlier, when the flower was pollinated, and the second is after harvest, when the seed either stays in the right conditions or doesn't. In this episode we're covering both. We'll talk about hybrids versus open-pollinated and heirloom varieties, which crops are easiest for beginners, why your zucchini and your pumpkin can cross but your cucumber and your cantaloupe can't, and why peppers cross more often than most people think. Then we'll get into harvesting and cleaning seeds, including what tomato seed fermentation does and doesn't do for seedborne disease, how to dry seeds without cooking them, the simple temperature-plus-humidity rule for storage, and why seed longevity charts don't agree with each other. Let’s dig in. Get your free gift, great coffee, and support the show at https://larryscoffee.com/justgrow Tell me about your garden goals and challenges, get a quote, and get on my calendar: https://JustGrowSomething.com/gardenconsulting Six Steps for Saving Seeds From Your Garden: https://justgrowsomethingpodcast.com/blog/six-steps-for-saving-seeds-from-your-garden References and Resources Choosing Crops, Pollination, and Isolation University of Minnesota Extension — Saving Vegetable Seeds (open-pollinated vs. hybrid, cross-pollination, harvesting, storage, bacterial canker and seed treatments): https://extension.umn.edu/planting-and-growing-guides/saving-vegetable-seeds University of Illinois Extension — How to Save Seeds (terms, isolation methods, isolation distance table, wet and dry harvesting): https://extension.illinois.edu/sites/default/files/how_to_save_seeds_062021.pdf University of Maryland Extension — Seed Saving 101: Vegetables (three levels of seed saving, tomato and potato-leaf isolation, pepper species crossing, squash after-ripening, storage rule of thumb): https://extension.umd.edu/sites/extension.umd.edu/files/2021-02/Seed%20Saving%20Veggies%20Resources.pdf UC Agriculture and Natural Resources, Orange County 4-H — Saving Seed from the Three Sisters and Tomatoes (population sizes for home gardens): https://oc4h.ucanr.edu/sites/default/files/2016-09/248080.pdf NC State Extension, Onslow County — Saving Your Own Seed (hot and sweet pepper crossing): https://onslow.ces.ncsu.edu/2023/01/saving-your-own-seed/ Barchenger, D.W., et al. (2025). Producing High Quality Pepper Seed. World Vegetable Center, Publication No. 25-1099 (pepper outcrossing rates, bee visitation, seed moisture): https://worldveg.tind.io/record/76153/files/25-1099_Producing%20high%20quality%20pepper%20seed.pdf Harvesting, Cleaning, and Seedborne Disease Oregon State University Extension — Collecting and Storing Seeds From Your Garden (crop-by-crop harvesting, hand-pollinating squash, bean weevils, longevity groups, germination testing): https://extension.oregonstate.edu/gardening/techniques/collecting-storing-seeds-your-garden Pradhanang, P.M., & Collier, G. (2009). How effective is hydrochloric acid treatment to control Clavibacter michiganensis michiganensis contamination in tomato seed? Acta Horticulturae 808: 81–86 (overnight fermentation vs. washing): https://doi.org/10.17660/ActaHortic.2009.808.10 Drying, Storage, and Longevity Colorado State University Extension — Storing Vegetable and Flower Seeds, Fact Sheet 7.221 (drying temperatures, seed moisture, humidity, hard seed, federal minimum germination and longevity table): https://extension.colostate.edu/resource/storing-vegetable-and-flower-seeds/ University of Delaware Cooperative Extension, Weekly Crop Update — Storing Vegetable Seed (temperature-plus-humidity rule, storage life halving rules, freezing seed): https://sites.udel.edu/weeklycropupdate/?p=2967 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Canning gets most of the attention, but for a lot of what comes out of the garden, it isn't the best way to put food up. In this episode, we're opening up the rest of the preserving toolbox: freezing, drying, fermenting, refrigerator pickles, and good old-fashioned cold storage. We'll talk about why skipping the blanch (or cutting it short) costs you flavor and color in the freezer, which vegetables you can freeze raw, and why a full freezer rides out a power outage twice as long as a half-empty one. Then we'll get into drying in a humid climate, why vegetables need a blanch before the dehydrator, and what the research does and doesn't say about home freeze dryers. We'll make a simple, safe batch of sauerkraut, cover the one rule for fridge pickles, and wrap up with the temperature and humidity each storage crop wants, from potatoes and onions to carrots, sweet potatoes, and apples. There's a crop-by-crop quick-reference chart to download, and a fantastic fermenting book to check out. Let’s dig in! References and Resources: Larry's Coffee (affiliate): https://LarrysCoffee.com/JustGrow Download the preserving guide: https://justgrowsomethingpodcast.com/preserve Fermented Vegetables by Kristen and Christopher Shockey: https://amzn.to/4zjI2g4 Freezing National Center for Home Food Preservation — Blanching Vegetables: https://nchfp.uga.edu/how/freeze/freeze-general-information/blanching-vegetables/ National Center for Home Food Preservation — Freezing Tomatoes: https://nchfp.uga.edu/how/freeze/vegetable/freezing-tomatoes/ National Center for Home Food Preservation — Freezing Onions: https://nchfp.uga.edu/how/freeze/vegetable/freezing-onions/ National Center for Home Food Preservation — Freezing Bell or Sweet Peppers: https://nchfp.uga.edu/how/freeze/vegetable/freezing-bell-or-sweet-peppers/ National Center for Home Food Preservation — Freezing Hot Peppers: https://nchfp.uga.edu/how/freeze/vegetable/freezing-hot-peppers/ National Center for Home Food Preservation — Foods That Do Not Freeze Well: https://nchfp.uga.edu/how/freeze/freeze-general-information/foods-that-do-not-freeze-well/ North Dakota State University Extension — Freezing Vegetables (blanching times, freezer loading, storage time): https://www.ndsu.edu/agriculture/extension/publications/freezing-vegetables University of Minnesota Extension — How to Freeze Fruit Safely: https://extension.umn.edu/food/preparing/cooking-at-home/food-preservation/freezing/freezing-fruit NC State Extension, Guilford County — Put a Freeze on Foodborne Illness: https://guilford.ces.ncsu.edu/2020/10/put-a-freeze-on-foodborne-illness University of Illinois Extension — Power Outages: https://extension.illinois.edu/food-safety/power-outages Li, L., Pegg, R. B., Eitenmiller, R. R., Chun, J. Y., & Kerrihard, A. (2017). Selected nutrient analyses of fresh, fresh-stored, and frozen fruits and vegetables. Journal of Food Composition and Analysis: https://doi.org/10.1016/j.jfca.2017.02.002 Drying and Freeze-Drying National Center for Home Food Preservation — Food Dehydrators: https://nchfp.uga.edu/how/dry/drying-general/food-dehydrators/ National Center for Home Food Preservation — Sun Drying: https://nchfp.uga.edu/how/dry/drying-general/sun-drying/ National Center for Home Food Preservation — Packaging and Storing Dried Foods: https://nchfp.uga.edu/how/dry/drying-general/packaging-and-storing-dried-foods/ Penn State Extension — Let's Preserve: Drying Fruits and Vegetables (Dehydration): https://extension.psu.edu/lets-preserve-drying-fruits-and-vegetables-dehydration Colorado State University Extension — Drying Vegetables, Fact Sheet 9.308: https://extension.colostate.edu/resource/drying-vegetables/ University of Minnesota Extension — Preserving Herbs by Freezing or Drying: https://extension.umn.edu/preserving-and-preparing/preserving-herbs-freezing-or-drying South Dakota State University Extension — Preserving Herbs: https://extension.sdstate.edu/preserving-herbs Utah State University Extension — Buying a Home Freeze-Dryer: What to Know Before You Go: https://extension.usu.edu/preserve-the-harvest/research/buying-a-home-freeze-dryer-what-to-know-before-you-go Utah State University Extension — Can I Freeze-Dry That? A Practical Guide to Safe and Effective Freeze-Drying: https://extension.usu.edu/foodsafety/research/can-i-freeze-dry-that-a-practical-guide-to-safe-and-effective-freeze-drying Fermenting and Refrigerator Pickles North Dakota State University Extension — Sauerkraut: From Garden to Table: https://www.ndsu.edu/agriculture/extension/publications/sauerkraut-garden-table Penn State Extension — Tips for Making Sauerkraut: https://extension.psu.edu/tips-for-making-sauerkraut UConn Extension — Fermentation: Preservation with Benefits: https://extension.uconn.edu/?p=3394 University of Florida IFAS Extension — Fermented Foods: Sauerkraut, FS474: https://ask.ifas.ufl.edu/publication/FS474 NC State Extension Food Safety — How to Make Quick Refrigerator Pickles: https://foodsafety.ces.ncsu.edu/news/how-to-make-quick-refrigerator-pickles/ Cold Storage University of Missouri Extension — Home Storage of Fruits and Vegetables in Root Cellars, MP562: https://extension.missouri.edu/publications/mp562 Iowa State University Extension and Outreach — Storing Winter Storage Vegetables: https://yardandgarden.extension.iastate.edu/how-to/storing-winter-storage-vegetables Iowa State University Extension and Outreach — Growing Carrots and Parsnips: https://yardandgarden.extension.iastate.edu/how-to/growing-carrots-and-parsnips Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

A jar that seals is a jar that seals, and that's about all it tells you. In this episode, we're taking on four home canning myths that keep circulating in gardening groups, on food blogs, and in family recipe boxes: oven canning, open-kettle canning (and its cousin, flipping jars upside down), packing tomatoes and garlic in oil, and the idea that a salsa recipe can be tweaked however you like as long as it tastes right. For each one, we'll look at what the research from the National Center for Home Food Preservation and university extension services shows, why these methods fail, and what to do instead so your harvest stays on the pantry shelf and out of the danger zone. We'll also look at a study that checked 56 salsa canning recipes from food blogs, and what it found might make you rethink where your recipes come from. Let's dig in! Support the show and get your free gift at https://LarrysCoffee.com/JustGrow References and Resources: National Center for Home Food Preservation — Ensuring Safe Canned Foods: https://nchfp.uga.edu/how/can/general-information/ensuring-safe-canned-foods/ National Center for Home Food Preservation — Equipment and Methods Not Recommended: https://nchfp.uga.edu/how/can/general-information/equipment-and-methods-not-recommended/ National Center for Home Food Preservation — General Information (includes the 1943 history on oven and open-kettle canning): https://nchfp.uga.edu/how/can/general-information/ National Center for Home Food Preservation — Identifying and Handling Spoiled Canned Food: https://nchfp.uga.edu/how/can/general-information/identifying-and-handling-spoiled-canned-food/ National Center for Home Food Preservation — Tomato Acidification Directions: https://nchfp.uga.edu/how/can/how-do-i-can-tomatoes/tomato-acidification-directions/ National Center for Home Food Preservation — Freezing Garlic-in-Oil: https://nchfp.uga.edu/how/freeze/vegetable/freezing-garlic-in-oil/ National Center for Home Food Preservation — Burning Issue: Can I Can My Own Salsa Recipe? (PDF): https://boone.mgcafe.uky.edu/files/nchfp_burning_issue_can_i_can_my_own_salsa_recipe.pdf D'Sa et al. (2007), Survey of Home Canning Practices and Safety Issues in the U.S.: https://nchfp.uga.edu/papers/2007/canning_survey.html Nummer et al. (2004), Studies on Safe Acidification of Salsa for Home Boiling Water Canning: https://nchfp.uga.edu/papers/2004/04ift-tomatosalsaPoster_combined.html Nummer et al. (2011), Current Food Safety Issues of Home-Prepared Vegetables and Herbs Stored in Oil, Food Protection Trends (PDF): https://www.foodprotection.org/files/food-protection-trends/Jun-11-Nummer.pdf Savoie & Perry (2019), Adherence of Food Blog Salsa Recipes to Home Canning Guidelines, Food Protection Trends: https://www.foodprotection.org/publications/food-protection-trends/archive/2019-09-adherence-of-food-blog-salsa-recipes-to-home-canning-guidelines/ University of Maine Cooperative Extension — The Missing Ingredient: Food Blog Salsa Recipes: https://extension.umaine.edu/food-health/2023/07/20/the-missing-ingredient-adherence-of-food-blog-salsa-recipes-to-home-canning-guidelines/ Penn State Extension — Say No to Oven Canning: https://extension.psu.edu/say-no-to-oven-canning Penn State Extension — Avoid Open Kettle Canning: Always Process Canned Goods: https://extension.psu.edu/avoid-open-kettle-canning-always-process-canned-goods Penn State Extension — Caution: Canning with Fats and Oils: https://extension.psu.edu/caution-canning-with-fats-and-oils Oregon State University Extension Service — Herbs and Vegetables in Oil, SP 50-701: https://extension.oregonstate.edu/catalog/pub/sp-50-701-herbs-vegetables-oil Oregon State University Extension Service — Preserving Garlic: https://extension.oregonstate.edu/food/preservation/preserving-garlic UC Agriculture and Natural Resources — Garlic: Safe Methods to Store, Preserve, and Enjoy, Pub. 8568 (PDF): https://ucanr.edu/sites/default/files/2020-09/335681.pdf Colorado State University Extension — Botulism, Fact Sheet 9.305: https://extension.colostate.edu/resource/botulism/ Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Frost is on the way, and the vines are still loaded with green tomatoes. In this episode, we sort out which green tomatoes will finish ripening on your counter (the mature greens and the blushers) and which ones belong in the skillet, the freezer, or a tested relish recipe. You'll learn what cold does to a tomato, why a stretch of chilly weather can cost you ripening ability before frost ever shows up, and four ways to ripen fruit indoors, including how to stage a harvest for a steady supply into November. Then we dig into the canning rule that catches a lot of gardeners off guard. National home-canning guidance says not to can tomatoes from dead or frost-killed vines, and we look at why, what the research does and doesn't show, and what to do with those tomatoes instead. Grab a notebook and let’s dig in! Resources and References: Grab your bag of Larry's Coffee, support the show, and get a free gift! https://larryscoffee.com/justgrow Colorado State University Extension — Ripening Tomatoes Indoors: https://extension.colostate.edu/resource/ripening-tomatoes-indoors/ University of California, Davis, Postharvest Research and Extension Center (Suslow and Cantwell) — Tomato: Recommendations for Maintaining Postharvest Quality: https://postharvest.ucdavis.edu/produce-facts-sheets/tomato Iowa State University Extension and Outreach — Can I ripen green tomatoes indoors before frost?: https://yardandgarden.extension.iastate.edu/faq/can-i-ripen-green-tomatoes-indoors-frost National Center for Home Food Preservation (University of Georgia) — Canning Tomatoes: Introduction: https://nchfp.uga.edu/how/can/how-do-i-can-tomatoes/canning-tomatoes-introduction/ National Center for Home Food Preservation — Resources for Home Preserving Tomatoes: https://nchfp.uga.edu/resources/entry/resources-for-home-preserving-tomatoes USDA Complete Guide to Home Canning, Guide 3 (electronic version by Utah State University Extension, 1995) — Selecting, Preparing, and Canning Tomatoes and Tomato Products: https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1600&context=extension_histall National Center for Home Food Preservation — Freezing Tomatoes: https://nchfp.uga.edu/how/freeze/vegetable/freezing-tomatoes/ National Center for Home Food Preservation — Freezing Green Tomatoes: https://nchfp.uga.edu/how/freeze/vegetable/freezing-green-tomatoes/ Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Every empty bed in your garden is either growing something for you or growing weeds and losing topsoil. Cover crops are how you make sure it's the first one. In this episode, we get into why cover crops work in both in-ground beds and raised planters, which ones perform best when you sow them in fall, and which ones are worth a spot in your rotation come spring. We'll look at nitrogen-fixing legumes like crimson clover and hairy vetch, soil-building grasses like winter rye and oats, and fast-growing summer options like buckwheat that can turn a bare bed around in a matter of weeks. Then we'll cover how to actually terminate a cover crop, whether that's mowing, crimping, tarping, or letting winter do the work for you, so it feeds your soil instead of becoming a weed problem of its own. Let's dig in! References and Resources: Get your sustainably grown coffee and support the show at LarrysCoffee.com/JustGrow! University of Maryland Extension — Cover Crops For Gardens: umd.edu/resource/cover-crops-gardens University of Maryland Extension — Offing Cover Crops for Weed Suppression: Featuring the Roller Crimper and Other Mechanical Contraptions: umd.edu/resource/offing-cover-crops-weed-suppression University of New Hampshire Extension — Cover Cropping for the Home Garden [fact sheet]: unh.edu/resource/cover-cropping-home-garden-fact-sheet University of Missouri Integrated Pest Management, Missouri Environment & Garden — Cover Crops Improve Garden Soil: missouri.edu/meg/2014/9/Cover-Crops-Improve-Garden-Soil Oregon State University Extension — Buckwheat Makes a Good Summer Cover Crop for Gardens: oregonstate.edu/news/buckwheat-makes-good-summer-cover-crop-gardens Cornell Cooperative Extension Vegetable Program, Cover Crop Guide for NY Growers — Buckwheat as a Summer Cover Crop for Weed Suppression: org/blog/buckwheat-as-a-summer-cover-crop-for-weed-suppression UF/IFAS Extension Duval County — Cover Crop Termination: What Do I Do When It's Over?: ifas.ufl.edu/duvalco/2025/09/15/cover-crop-termination-what-do-i-do-when-its-over Purdue University Center for New Crops and Plants Products — Hairy Vetch: purdue.edu/newcrop/afcm/vetch.html USDA Agricultural Research Service — Crimson Clover Cover Crop Fact Sheet (PDF): usda.gov/ARSUserFiles/60100500/FactSheets/FS04e.pdf Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Onions are having a moment in the seed catalogs right now, and a lot of that buzz is about overwintering them, tucking small transplants into the bed in September, letting them sit through the cold, and pulling bigger, earlier bulbs the following June. It sounds like a clear win. But the biology underneath it is more particular than the marketing lets on, and the trade-offs are real. In this episode, I'm breaking down the day-length science that controls when an onion decides to bulb, the separate cold-exposure trigger that can send it to flower instead, and why those two mechanisms together explain both the promise and the risk of overwintering. I'll walk through the specific varieties that university research has found reliable for this system versus the ones that bolted their way out of a harvest, and I'll lay out the honest cost side of the ledger: a bed occupied for the better part of a year, a real chance of premature flowering if timing or variety selection is off, and whether any of that beats simply direct-seeding or transplanting in spring. Whether you've got seed garlic already planned for a bed and you're eyeing the space next to it for onions, or you're just trying to figure out which system fits your garden, this episode will give you the research to make that call yourself. Let’s dig in. References and Resources: Short Day Onions • Latitude: ~25°–35° N • Daylength trigger: 10–12 hours • Climate: Mild winters (USDA Zone 7+), These are generally planted in fall, mature in late spring. Intermediate Day Onions • Latitude: ~32°–42° N • Daylength trigger: 12–14 hours • Climate: Central U.S. conditions; planted in spring (or early spring in cooler areas) Long Day Onions • Latitude: ~37°–47° N • Daylength trigger: 14–16 hours • Climate: Northern latitudes; often sweet, specialty, or long storage types. Planted in fall or spring depending on climate Get your free fair-trade gift and support the show at https://LarrysCoffee.com/JustGrow Episode 296 — Successions: Never an Empty Bed: https://justgrowsomethingpodcast.com/episode/succession-planting-101-how-to-keep-your-garden-producing-from-spring-through-frost-ep-296 Oregon State University Extension — Winter Vegetable Production on Small Farms and Gardens West of the Cascades (PNW 548): oregonstate.edu/catalog/pnw-548-winter-vegetable-production-small-farms-gardens-west-cascades University of New Hampshire Extension / NH Agricultural Experiment Station — Research Report: Overwintering Onions, 2014–15 (Becky Sideman et al.): unh.edu/resources/files/Resource005477_Rep7652.pdf Iowa State University Extension and Outreach — What Is a Long-Day Type Onion Variety?: extension.iastate.edu/faq/what-long-day-type-onion-variety University of Minnesota Extension — Growing Onions in Home Gardens: umn.edu/vegetables/growing-onions NC State Extension Publications — Bulb Onions: ces.ncsu.edu/bulb-onions University of Missouri Extension — Planting, Growing and Harvesting Onions: missouri.edu/news/planting-growing-and-harvesting-onions Clemson Cooperative Extension, Home & Garden Information Center — Onion, Leek, Shallot & Garlic: clemson.edu/factsheet/onion-leek-shallot-garlic Oregon State University Extension — Plant Onions Early for Bigger Summer Bulbs: oregonstate.edu/news/plant-onions-early-bigger-summer-bulbs Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Newsletter link: https://dashboard.mailerlite.com/forms/757286/109572786559649154/share Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

It's the middle of summer, and I want you thinking about garlic. Not because it's time to plant, but because if you wait until it's time to plant, the good seed garlic may already be gone! In this episode, I'm breaking down the real difference between hardneck and softneck garlic: the cold-exposure requirement called vernalization that decides which type will bulb properly in your garden, how clove structure and storage life differ between the two, and how to match your choice to your specific climate. I'll also cover why garlic bought at the grocery store is a gamble, what certified disease-free seed garlic protects you from, how much seed to order for the bed you're planting, and exactly what to do in your garden bed this month to set yourself up for a strong harvest next summer. Whether you've grown garlic for years or you're planting your first clove this fall, this episode will get your ordering and your bed prep sorted before the window closes. Let’s dig in! Episode References: Episode 302 — Mulch Matchmaking (winter mulch materials and application for newly planted garlic beds): https://justgrowsomethingpodcast.com/episode/mulch-matchmaking-choosing-the-right-mulch-for-your-vegetable-garden-ep-302 All the garlic episodes: https://justgrowsomethingpodcast.com/search/garlic Resources: University of Georgia Cooperative Extension — Garlic Production for the Gardener (Circular 854): caes.uga.edu/publications/C854/garlic-production-for-the-gardener University of Minnesota Extension — Growing Garlic in Home Gardens: umn.edu/vegetables/growing-garlic University of Missouri Extension — Fall Is a Good Time to Plant Garlic: missouri.edu/news/fall-is-a-good-time-to-plant-garlic Lincoln University of Missouri Cooperative Extension — Garlic Production in Missouri: edu/publications/garlic-production-in-missouri.html Utah State University Extension — How to Grow Garlic in Your Garden: usu.edu/yardandgarden/research/garlic-in-the-garden Oregon State University Extension — Get Your Garlic On: A Primer on Planting, Growing and Harvesting: oregonstate.edu/news/get-your-garlic-primer-planting-growing-harvesting Cornell Cooperative Extension, Warren County — Garlic: cce.cornell.edu/gardening-landscape/warren-county-master-gardener-articles/garlic Penn State Extension — Garlic Production: psu.edu/garlic-production University of California Agriculture and Natural Resources (Contra Costa Master Gardeners) — Garlic, Love It or Leave It: edu/blog/hort-coco-uc-master-gardener-program-contra-costa/article/garlic-love-it-or-leave-it Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Winter squash gives you almost no obvious warning before it's ready, and pulling it too early is one of the most common mistakes gardeners make. And that mistake costs you flavor, sugar content, and months of storage life. In this episode, we're breaking down exactly how to read maturity on butternut, acorn, spaghetti, delicata, and storage pumpkins: the rind test, the ground spot, and the specific cues for each type. Then we'll cover what to do with a squash patch when frost is bearing down on you, why curing helps some squash and actively ruins others, and how to set up a storage space that gets you squash on your table well into the new year instead of watching half your harvest go soft by Thanksgiving. Get your fair-trade, organic, sustainably harvested coffees and support the show at https://larryscoffee.com/justgrow Got my newsletter: JustGrowSomething.com References: University of Missouri IPM — Pumpkin Picking Time: ipm.missouri.edu/meg/2022/10/pumpkins-DT/ South Dakota State University Extension — Time to Harvest Those Winter Squash: extension.sdstate.edu/time-harvest-those-winter-squash South Dakota State University Extension — Harvesting and Storing Pumpkins and Winter Squash: extension.sdstate.edu/harvesting-and-storing-pumpkins-and-winter-squash South Dakota State University Extension — Fall Frost Tolerance of Common Vegetables: extension.sdstate.edu/fall-frost-tolerance-common-vegetables Iowa State University Extension — Yard and Garden: Winter Squash: extension.iastate.edu/news/yard-and-garden-winter-squash Purdue University Vegetable Crops Hotline — Harvest and Postharvest Storage of Pumpkins and Winter Squash: vegcropshotline.org/article/harvest-and-postharvest-storage-of-pumpkins-and-winter-squash-2/ Purdue Extension FoodLink — Winter Squash: extension.purdue.edu/foodlink/includes/pubs/Print4perpaper/4VegetablesPrint/4WINTER_SQUASH2print.pdf Oregon State University Extension Service — Preserving Pumpkins and Winter Squash: extension.oregonstate.edu/catalog/sp-50-767-preserving-pumpkins-winter-squash Michigan State University Extension — Pumpkins, Squash, Gourds: canr.msu.edu/resources/pumpkins_squash_gourds_commercial_vegetable_recommendations_e1953 University of Illinois Extension — Winter Squash (Home Vegetable Gardening): extension.illinois.edu/gardening/winter-squash University of Minnesota Extension — Harvesting and Storing Melons, Squash and Pumpkins: extension.umn.edu/agriculture/specialty-crops/commercial-fruit-production/harvesting-and-storing-melons-squash-and-pumpkins Cornell Cooperative Extension Regional Vegetable Program — Winter Squash and Pumpkin Maturity, Harvesting and Storage Tips: rvpadmin.cce.cornell.edu/uploads/doc_1144.pdf UC Master Gardener Program of Contra Costa (UC ANR) — Harvesting and Storing Winter Squash and Pumpkins: ucanr.edu/blog/hort-coco-uc-master-gardener-program-contra-costa/article/harvesting-and-storing-winter-squash Maine Organic Farmers and Gardeners Association — Harvesting Winter Squash for Peak Flavor and Optimal Storage Life: mofga.org/resources/crops/harvesting-winter-squash-for-flavor-and-storage/ Resources: Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Something has been eating your tomatoes, mowing your green beans down to nubs overnight, or turning your flower bed into a construction site, and you want to know who's responsible and what will make them stop. In this episode, we're working through the full lineup of backyard garden critters, starting with the animals most home gardeners deal with every season: squirrels, chipmunks, rabbits, deer, and raccoons. Then we're digging into two animals that caused real trouble this year: groundhogs, which mowed down entire rows in my own garden, and armadillos, a first-time visitor here on the farm. For each one, we'll cover how to identify their particular style of damage, what university research shows works to deter them, and where fencing, repellents, and scare tactics fall short. Whether you're dealing with a woodchuck built like a small, determined bulldozer, or an armadillo rototilling your flower bed at two in the morning, you'll walk away with a real plan instead of another myth to try. Let's dig in! Get your organic, fair-trade coffee with free gift at LarrysCoffee.com/JustGrow. No code needed! Save 10% and get free shipping on my favorite raised planters at PlanterBoxDirect.com with code JUSTGROW. References and Resources Squirrels University of Missouri Extension — Tree Squirrels: Managing Habitat and Controlling Damage (G9455): extension.missouri.edu/publications/g9455 Chipmunks Penn State Extension — Chipmunks: extension.psu.edu/chipmunks University of Georgia Extension — Chipmunks Publication: extension.uga.edu/publications/detail.html?pk_id=7652 Rabbits University of Missouri Extension — Preventing and Controlling Damage Caused by Cottontail Rabbits (G9441): extension.missouri.edu/publications/g9441 Iowa State University Extension, Yard and Garden — How to Protect Gardens From Rabbits: yardandgarden.extension.iastate.edu/how-to/how-protect-gardens-rabbits Deer University of Missouri Extension — Controlling Deer Damage in Missouri (MP685): extension.missouri.edu/publications/mp685 Colorado State University Extension — Preventing Deer Damage: extension.colostate.edu/resource/preventing-deer-damage University of Minnesota Extension — Winterizing Plants: Animal Damage: extension.umn.edu/yard-and-garden-news/winterizing-plants-animal-damage Raccoons University of Missouri Extension — Managing Raccoon Problems in Missouri (G9453): extension.missouri.edu/publications/g9453 Kansas State University Extension — Protecting Sweet Corn From Raccoons: extension.k-state.edu/news-and-publications/news/stories/2025/07/horticulture-raccoons-sweet-corn.html Iowa State University Extension, Yard and Garden — How Can I Keep Raccoons Out of My Sweet Corn?: yardandgarden.extension.iastate.edu/faq/how-can-i-keep-raccoons-out-my-sweet-corn Iowa State University Extension, Natural Resources — Raccoons: Damage Management: naturalresources.extension.iastate.edu/encyclopedia/raccoons-damage-management Groundhogs University of Missouri Extension — Managing Woodchuck Problems in Missouri (G9452): extension.missouri.edu/media/wysiwyg/Extensiondata/Pub/pdf/agguides/wildlife/g09452.pdf UNH Extension — Dealing with Woodchuck Damage (fact sheet, includes capsaicin repellent trial results): extension.unh.edu/sites/default/files/migrated_unmanaged_files/resource000562_rep584.pdf Missouri Department of Conservation — Groundhog Control: mdc.mo.gov/wildlife/nuisance-problem-species/groundhog-control Armadillos University of Missouri Extension — Armadillos in Missouri: Techniques to Prevent and Control Damage (G9456): extension.missouri.edu/publications/g9456 Oklahoma State University Extension — Managing Nuisance Armadillo Damage: extension.okstate.edu/fact-sheets/managing-nuisance-armadillo-damage Oklahoma State University Extension — Tips for Managing Nuisance Armadillo: extension.okstate.edu/fact-sheets/tips-for-managing-nuisance-armadillo General / Multiple Species University of Missouri Extension — Garden Critters: 'Frenemies' in Grow Places: extension.missouri.edu/news/garden-critters-frenemies-in-grow-places University of Missouri Extension — Solving Wildlife Damage Problems in Missouri (G9425): extension.missouri.edu/publications/g9425 Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

You've probably heard both sides of this argument: that organic and conventional produce are nutritionally identical, and that homegrown vegetables blow store-bought out of the water. Which one is true? In this episode, I dig through the peer-reviewed research on three separate questions: whether organic farming produces more nutritious food, whether soil health itself changes the nutrient content of what we eat, and what happens to those nutrients in the days between harvest and the moment food lands on your plate. I'm treating this as a real meta-analysis, pulling together findings from major systematic reviews, long-term field trials, and postharvest storage studies, and following the data wherever it leads. The answer is more interesting, and more useful for your own garden, than either side of the argument usually admits. By the end, you'll know exactly which parts of the nutrient-density conversation hold up under scrutiny and which parts are oversimplified, plus what it means for the food coming out of your own backyard. Let's dig in! Get your bag of Larry's Coffee and a free gift from their fair-trade partners at https://LarrysCoffee.com/JustGrow Peer-Reviewed Sources Smith-Spangler et al. (2012), Annals of Internal Medicine — Are Organic Foods Safer or Healthier Than Conventional Alternatives?: https://www.acpjournals.org/doi/10.7326/0003-4819-157-5-201209040-00007 Baranski et al. (2014), British Journal of Nutrition — Higher Antioxidant and Lower Cadmium Concentrations in Organically Grown Crops (343-study meta-analysis): https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4141693/ Worthington (2001), Journal of Alternative and Complementary Medicine — Nutritional Quality of Organic Versus Conventional Fruits, Vegetables, and Grains: https://pubmed.ncbi.nlm.nih.gov/11327522/ Hunter et al. (2011), Critical Reviews in Food Science and Nutrition — Evaluation of the Micronutrient Composition of Plant Foods Produced by Organic and Conventional Methods: https://pubmed.ncbi.nlm.nih.gov/21929333/ Montgomery & Biklé (2021), Frontiers in Sustainable Food Systems — Soil Health and Nutrient Density: Beyond Organic vs. Conventional Farming: https://www.frontiersin.org/journals/sustainable-food-systems/articles/10.3389/fsufs.2021.699147/full Lehmann et al. (2014), Soil Biology and Biochemistry — Arbuscular Mycorrhizal Influence on Zinc Nutrition in Crop Plants: A Meta-Analysis: https://www.sciencedirect.com/science/article/abs/pii/S0038071713004045 Reganold et al. (2010), PLOS ONE — Fruit and Soil Quality of Organic and Conventional Strawberry Agroecosystems: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0012346 Helfenstein et al. (2016), PLOS ONE — Organic Wheat Farming Improves Grain Zinc Concentration: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0160729 Hepperly, Omondi & Seidel (2018), MOJ Food Processing & Technology — Soil Regeneration Increases Crop Nutrients, Antioxidants and Adaptive Responses (Rodale Institute Farming Systems Trial): https://medcraveonline.com/MOJFPT/soil-regeneration-increases-crop-nutrients-antioxidants-and-adaptive-responses.html Davis, Epp & Riordan (2004), Journal of the American College of Nutrition — Changes in USDA Food Composition Data for 43 Garden Crops, 1950 to 1999: https://pubmed.ncbi.nlm.nih.gov/15637215/ Marles (2017), Journal of Food Composition and Analysis — Mineral Nutrient Composition of Vegetables, Fruits and Grains: The Context of Reports of Apparent Historical Declines: https://www.sciencedirect.com/science/article/pii/S0889157516302113 Favell (1998), Food Chemistry — A Comparison of the Vitamin C Content of Fresh and Frozen Vegetables: https://www.sciencedirect.com/science/article/abs/pii/S0308814697001659 Rickman, Barrett & Bruhn (2007), Journal of the Science of Food and Agriculture — Nutritional Comparison of Fresh, Frozen and Canned Fruits and Vegetables, Part 1: https://scijournals.onlinelibrary.wiley.com/doi/abs/10.1002/jsfa.2825 Li, Pegg, Eitenmiller, Chun & Kerrihard (2017), Journal of Food Composition and Analysis — Selected Nutrient Analyses of Fresh, Fresh-Stored, and Frozen Fruits and Vegetables: https://www.sciencedirect.com/science/article/abs/pii/S0889157517300418 Galani et al. (2017), Antioxidants — Storage of Fruits and Vegetables in Refrigerator Increases Their Phenolic Acids but Decreases the Total Phenolics, Anthocyanins and Vitamin C: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5618087/ Jo, Shin & Lee (2003), Journal of Agricultural and Food Chemistry — The Effect of Post-Harvest and Packaging Treatments on Glucoraphanin Concentration in Broccoli: https://pubs.acs.org/doi/10.1021/jf0203592 Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

If you've listened to this show for any length of time, you've heard me point to University Extension again and again as my go-to source. But I've never actually explained why. In this episode, we're pulling back the curtain on the Cooperative Extension System: where it came from, starting with farmers comparing notes in the early 1800s, through the Morrill Act's creation of land-grant universities in 1862, the Hatch Act's 1887 research mandate, and the 1914 Smith-Lever Act that built the nationwide Extension system we know today. We'll also trace the Master Gardener program from its 1972 origins in Washington State and we'll get honest about reliability: how peer review works (and where it doesn't), how to evaluate a publication for yourself, and why regional, research-based information matters more than ever in an age of viral gardening myths. This one's less about your garden bed and more about why you can trust what I tell you to put in it. Let’s dig in! Episode References https://LarrysCoffee.com/JustGrow – Free Gift with order from this link only! Battling Blossom End Rot the Right Way - Ep. 309 Raised Bed Gardening with Gardener Scott - Ep. 268 Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Resources Rutgers Cooperative Extension — The 1914 Smith-Lever Act: https://extension.rutgers.edu/history/smith-lever OSU Extension — A Brief History of Extension: https://extension.osu.edu/about/mission-vision-values/osu-extension-brief-history USDA NIFA — History: https://www.nifa.usda.gov/about-nifa/who-we-are/history USDA NIFA — Cooperative Extension History: https://www.nifa.usda.gov/about-nifa/what-we-do/extension/cooperative-extension-history USDA NIFA — What We Do: Extension: https://www.nifa.usda.gov/about-nifa/what-we-do/extension gov CRS — The Agricultural Cooperative Extension System: An Overview: https://www.congress.gov/crs-product/R48071 gov CRS — The U.S. Land-Grant University System: https://www.congress.gov/crs-product/R45897 APLU — Land-Grant University FAQ: https://www.aplu.org/about-us/history-of-aplu/what-is-a-land-grant-university/ Land-Grant Impacts — Extension (current office count): https://landgrantimpacts.org/extension/ Garden Professors — Not All Extension Publications Are Created Equal: https://gardenprofessors.com/not-all-extension-publications-are-created-equal/ OSU Extension — Peer Review Guidelines: https://extension.oregonstate.edu/peer-review-guidelines University of Illinois Extension — Peer Reviewed Publications: https://extension.illinois.edu/global/peer-reviewed-publications Clemson News — Land-Grant Press Publications: https://news.clemson.edu/land-grant-press-publications-provide-vital-knowledge-from-clemson-cooperative-extension-program-areas/ Washington State University — History of the Master Gardener Program: https://mastergardener.wsu.edu/who-we-are/history/history-of-the-master-gardener-program/ WSU CAHNRS News — Seeds of a Movement: 50 Years Ago: https://news.cahnrs.wsu.edu/article/seeds-of-a-movement-50-years-ago-master-gardeners-began-with-wsu-trained-volunteers/ University of Missouri Extension — History of Extension: https://extension.missouri.edu/about-us/history-of-extension Master Gardeners of Greene County — History (Missouri program): https://mggreene.org/history/ University of Missouri Extension — Extension Master Gardener Program: https://extension.missouri.edu/programs/extension-master-gardener OSU Extension — Experts Debunk 10 Common Gardening Myths: https://extension.oregonstate.edu/news/osu-extension-experts-debunk-10-common-gardening-myths University of Arkansas ScholarWorks — Social Media Misinformation Among Extension Educators (dissertation): https://scholarworks.uark.edu/etd/5861/ Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

For most of the last century, gardeners were taught to cultivate their soil after every rain to conserve moisture, to think of plant roots as lone competitors, and to treat "plant communication" as science fiction. All of that was built on the best evidence available at the time, and all of it has been revised, in some cases more than once, as better tools let researchers see what earlier generations simply could not. In this episode, we walk through four real case studies of plant science changing its mind. Along the way, we talk about how the scientific method works, why one of my favorite phrases, "we don't know what we don't know," is not a discouraging idea but an exciting one, and what all of this means for the choices you make in your own garden each season, now and into the future. Let’s dig in! References and Resources: Chalker-Scott, L., and C.H. Daniels. (2016). "Scientific Literacy for the Citizen Scientist." WSU Extension Manual EM100E. https://wpcdn.web.wsu.edu/extension/uploads/sites/30/2024/07/Scientific-Literacy-for-the-Citizen-Scientist.pdf Chalker-Scott, L. (2021, revised). "Dust Mulch Efficacy in Gardens and Landscapes." WSU Extension Fact Sheet FS167E. https://wpcdn.web.wsu.edu/wp-ecommerce/uploads/sites/2/product-3540-sku-FS167E.pdf Chalker-Scott, L. (2017). "A Gardener's Primer to Mycorrhizae: Understanding How They Work and Learning How to Protect Them." WSU Extension Fact Sheet FS269E. https://wpcdn.web.wsu.edu/wp-ecommerce/uploads/sites/2/product-3286-sku-FS269E.pdf Chalker-Scott, L. (2023). "Gardening with Companion Plants." WSU Extension Publication EM128E. https://pubs.extension.wsu.edu/product/gardening-with-companion-plants-home-garden-series/ Oklahoma State University Extension. "Mycorrhizal Fungi." Fact Sheet. https://extension.okstate.edu/fact-sheets/mycorrhizal-fungi Pacific Horticulture Society. "Mycorrhizal Fungi, Nature's Key to Plant Survival and Success." https://pacifichorticulture.org/articles/mycorrhizal-fungi-natures-key-to-plant-survival-and-success/ Cao, D., Chabikwa, T., Barbier, F., Dun, E.A., Fichtner, F., Dong, L., Kerr, S.C., & Beveridge, C.A. (2023). "Auxin-independent effects of apical dominance induce changes in phytohormones correlated with bud outgrowth." Plant Physiology, 192(2), 1420–1434. https://doi.org/10.1093/plphys/kiad034 Mason, M.G., Ross, J.J., Babst, B.A., Wienclaw, B.N., & Beveridge, C.A. (2014). "Sugar demand, not auxin, is the initial regulator of apical dominance." Proceedings of the National Academy of Sciences, 111(16), 6092–6097. https://www.pnas.org/doi/10.1073/pnas.1322045111 Barbier, F.F., Dun, E.A., & Beveridge, C.A. (2017). "A Growing Stem Inhibits Bud Outgrowth — The Overlooked Theory of Apical Dominance." Frontiers in Plant Science, 8:1874. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5671643/ "Lessons from a century of apical dominance research." (2023). Journal of Experimental Botany. https://pmc.ncbi.nlm.nih.gov/articles/PMC10400159/ Simard, S.W., Perry, D.A., Jones, M.D., Myrold, D.D., Durall, D.M., & Molina, R. (1997). "Net transfer of carbon between ectomycorrhizal tree species in the field." Nature, 388, 579–582. https://www.nature.com/articles/41557 "Belowground carbon transfer across mycorrhizal networks among trees: Facts, not fantasy." (2023). Review discussing the scope and limits of current evidence for mycorrhizal carbon transfer. https://pmc.ncbi.nlm.nih.gov/articles/PMC10751480/ Baldwin, I.T., & Schultz, J.C. (1983). "Rapid Changes in Tree Leaf Chemistry Induced by Damage: Evidence for Communication Between Plants." Science, 221(4607), 277–279. https://www.science.org/doi/10.1126/science.221.4607.277 Heil, M. (2014). "Herbivore-induced plant volatiles: targets, perception and unanswered questions." New Phytologist, 204(2), 297–306. https://nph.onlinelibrary.wiley.com/doi/10.1111/nph.12977 Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Get 10% off and FREE shipping on my favorite raised planters at Planter Box Direct using code JUSTGROW10: https://planterboxdirect.com/?ref=593 Save on your Aquatru water system at Aquatru.com using code GROW. https://aquatru.com Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Your garden is at its busiest in July, and so is the wear and tear on your soil. In this episode we get past the fertilizer conversation and into whether your soil is still functioning at all — how traffic, pounding rain, heat, and heavy-feeding crops degrade soil mid-season, the physical, chemical, and biological warning signs to look for right now, and tests you can run this week to sort the problems. Plus, how to use a mid-season open bed as a soil-building opportunity. Let's dig in! REFERENCES & RESOURCES University of Delaware Cooperative Extension — "Combating Soil Compaction" — https://www.udel.edu/academics/colleges/canr/cooperative-extension/fact-sheets/combating-soil-compaction/ University of Minnesota Extension — "Backyard science: Is your soil healthy?" (slake test, infiltration test, earthworm counts) — https://extension.umn.edu/yard-and-garden-news/backyard-science-your-soil-healthy Cornell Soil Health Laboratory — Individual soil analyses, including wet aggregate stability — https://soilhealthlab.cals.cornell.edu/testing-services/individual-soil-analyses/ Purdue University Vegetable Crops Hotline — "Nitrogen Loss from Wet Soils" — https://vegcropshotline.org/article/nitrogen-loss-from-wet-soils/ UF/IFAS Extension — CIR 1092/SS117, "Soil and Container Media Electrical Conductivity Interpretations" — https://ask.ifas.ufl.edu/publication/SS117 Texas A&M AgriLife, Aggie Horticulture — "Salt Injury" (Cucurbit Problem Solver) — https://aggie-horticulture.tamu.edu/vegetable/problem-solvers/cucurbit-problem-solver/leaf-disorders/salt-injury/ Purdue University Vegetable Crops Hotline — "Summer Cover Crops for Improved Soil Health and Weed Management" — https://vegcropshotline.org/article/summer-cover-crops-for-improved-soil-health-and-weed-management/ Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Get 10% off and FREE shipping on my favorite raised planters at Planter Box Direct using code JUSTGROW10: https://planterboxdirect.com/?ref=593 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

If you've grown tomatoes or peppers for more than one season, you more than likely know the feeling been waiting that first tomato to ripen, finally see it’s blushing red, and you flip it over to find a sunken, leathery patch covering half the bottom of the fruit. And if you went looking for answers, you probably found three of them repeated everywhere you turned: sprinkle in some crushed eggshells, spray on some calcium, add a scoop of Epsom salt. All three of those are extremely common advice. Two of them do close to nothing. And one of them can genuinely make the problem worse. That problem? Blossom end rot. Today on Just Grow Something we're covering what blossom end rot really is at the cellular level, the conditions that trigger it in your garden, why the most popular home remedies for it are built on a total misunderstanding of the problem, and what the research consistently recommends instead. Let's dig in. University Extension and Research-Based Resources Utah State University Extension — Blossom End Rot (IPM Fact Sheet) https://extension.usu.edu/planthealth/ipm/notes_ag/veg-blossom-end-rot Purdue Extension — Blossom End Rot of Tomato Fruit (BP-13-W) https://www.extension.purdue.edu/extmedia/bp/bp-13-w.html University of Maryland Extension — Blossom End Rot on Vegetables https://extension.umd.edu/resource/blossom-end-rot-vegetables Alabama Cooperative Extension System — Blossom-End Rot in Tomatoes: Causes and Prevention (ANR-1059) https://www.aces.edu/blog/topics/lawn-garden/blossom-end-rot-in-tomatoes-causes-and-prevention/ University of Massachusetts Amherst, Center for Agriculture, Food, and the Environment — Solanaceous: Blossom End Rot https://ag.umass.edu/vegetable/fact-sheets/solanaceous-blossom-end-rot Oregon State University Extension — Blossom-End Rot of Tomatoes (FS-139) https://extension.oregonstate.edu/catalog/fs-139-blossom-end-rot-tomatoes University of Wisconsin Horticulture Extension — Blossom End Rot https://hort.extension.wisc.edu/articles/blossom-end-rot/ University of California Cooperative Extension, UC ANR "The Real Dirt" — Fighting Blossom End Rot https://ucanr.edu/blog/real-dirt/article/fighting-blossom-end-rot University of Connecticut Extension — Put an End to Blossom-End Rot: Water and Nutrient Management is Key https://homegarden.cahnr.uconn.edu/2025/06/15/blossom-end-rot/ Clemson Cooperative Extension HGIC — Gardening Myths: Fix Blossom End Rot with Calcium Sprays https://hgic.clemson.edu/gardening-myths-fix-blossom-end-rot-with-calcium-sprays/ North Dakota State University Extension — The Epsom Salt Myth https://www.ndsu.edu/agriculture/extension/extension-topics/gardening-and-horticulture/vegetables/epsom-salt-myth University of Minnesota Extension — Do Common Soil Health "Home Remedies" Work? (Coffee Grounds, Eggshells, Epsom Salts) https://extension.umn.edu/manage-soil-nutrients/coffee-grounds-eggshells-epsom-salts Peer-Reviewed Research Topcu, Y., Nambeesan, S. U., & van der Knaap, E. (2022). Blossom-end rot: a century-old problem in tomato (Solanum lycopersicum L.) and other vegetables. Molecular Horticulture, 2, 1. https://doi.org/10.1186/s43897-021-00022-9 Just Grow Something: https://justgrowsomething.com Gardening Courses: https://justgrowsomething.com/courses Just Grow Something Merch and Downloads: https://justgrowsomething.com/shop Just Grow Something Gardening Friends Facebook Group: https://www.facebook.com/share/g/18YgHveF5P/ Check out how you can become a patron on Patreon: https://www.patreon.com/JustGrowSomething Feed my coffee habit: https://buymeacoffee.com/justgrowsomething Amazon storefront: https://www.amazon.com/shop/justgrowsomething Get 10% off and FREE shipping on my favorite raised planters at Planter Box Direct using code JUSTGROW10: https://planterboxdirect.com/?ref=593 Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.