May is prime warm-season planting time in mild-winter zones, with soil temperatures rising and growth accelerating. This is the month to get main-season crops established outdoors, keep up with succession sowing, and set up supports before vines and tall plants take off. Watch moisture as days warm, mulch to hold soil moisture, and keep an eye out for the first big flush of pests as the garden hits its stride.

Indoors (fresh harvests):

  • Microgreens: peas, broccoli, sunflowers, arugula
  • Sprouts: alfalfa, broccoli, radish, mung
  • Herbs & greens under lights: chives, parsley, mint

Transplants to move outdoors (harden first): pepper, tomato, eggplant, melons, basil, okra — these should go out early May if not already in the ground

Crops that can be directly sown outdoors in May: beans, corn, cucumber, squash, melons, okra, sunflower, basil, dill, sweet potato slips. Succession sow beets, carrots, and radishes early in the month before heat sets in.

Cover crops: buckwheat, cowpeas, sorghum-sudangrass

Note: Warm-season crops should be going directly outdoors now, not starting under lights.

Tip: An Olympia, WA zone 8 is very different from a Jackson, MS zone 8. Consider checking with your state Extension Service office for more specific recommendations and guidelines.

Use your USDA zone as a guide. Microclimates matter — coastal/urban spots run warmer; high elevation runs colder.

50 100 true //store.trueleafmarket.com/cdn/shop/t/54/assets/review-fallback.json?v=33078429469613971781712858278
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1330 Items
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Pepper Seeds - Sweet - Pretty N Sweet Hybridmid size pouch type seed packaging for - Pepper Sweet Pretty N Sweet Hybrid
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Sorghum Seeds - Multicolored Broomcornmid size pouch type seed packaging for - Sorghum Multicolored Broomcorn
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Squash Winter Cushaw Green Stripedmid size pouch type seed packaging for - Squash Winter Cushaw Green Striped
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Melon Seeds - Piel de SapoMelon Seeds - Piel de Sapo
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Coleus Seeds - Black Dragonmid size pouch type seed packaging for - Coleus Black Dragon
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Pepper Seeds - Sweet - Golden Cal Wonder (Organic)small size packet type seed packaging for - Pepper Sweet Golden Cal Wonder Organic
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Pepper Seeds - Hot - Thai - Prik Munmid size pouch type seed packaging for - Pepper Hot Thai Prik Mun
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Tomato Seeds - Cherry - Currant Yellowsmall size packet type seed packaging for - Tomato Cherry Currant Yellow
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Cardoon Seedssmall size packet type seed packaging for - Cardoon
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Watermelon Seeds - Picnic - Kleckley's Sweetsmall size packet type seed packaging for - Watermelon Picnic Kleckleys Sweet
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Celosia Seeds - Crested - Armor Mixmid size pouch type seed packaging for - Celosia Crested Armor Mix
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Tobacco Seeds - Piloto Cubanosmall size packet type seed packaging for - Tobacco Piloto Cubano
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Pepper Seeds - Hot - Jamaican Yellow Habanerosmall size packet type seed packaging for - Pepper Hot Jamaican Yellow Habanero
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Squash Seeds - Lakotasmall size packet type seed packaging for - Squash Lakota
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Pumpkin Seeds - Blue Harvest F1mid size pouch type seed packaging for - Pumpkin Blue Harvest F1
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Torenia Seeds - Kauai Mix (Pelleted)mid size pouch type seed packaging for - Torenia Kauai Mix Pelleted
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Squash Seeds - Summer - Fordhook Zucchini (Organic)small size packet type seed packaging for - Squash Summer Fordhook Zucchini Organic
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Pepper Seeds - Sweet - White Cloudmid size pouch type seed packaging for - Pepper Sweet White Cloud
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Cucumber Seeds - Marketersmall size packet type seed packaging for - Cucumber Marketer
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Tomato Seeds - Slicing - Striped Germanmid size pouch type seed packaging for - Tomato Slicing Striped German
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