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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2353 Items
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Turnip Seeds - Tokyo Cross - Hybridmid size pouch type seed packaging for - Turnip Tokyo Cross Hybrid
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Mustard Seeds - Mizuna, Early
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Pak Choi Seeds - Hotau Improved HybridPak Choi Seeds - Hotau Improved Hybrid
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Pepper Seeds - Sweet - Tennessee Cheesemid size pouch type seed packaging for - Pepper Sweet Tennessee Cheese
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Pepper Seeds - Hot - Habanero Whitesmall size packet type seed packaging for - Pepper Hot Habanero White
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Beet Seeds - White Albinosmall size packet type seed packaging for - Beet White Albino
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Onion Seeds - Bunching - Shimonita Negimid size pouch type seed packaging for - Onion Bunching Shimonita Negi
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Mustard Seeds - Tat Soi - Organic
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Tomato Seeds - Paste - Hungarian Paste (Organic)small size packet type seed packaging for - Tomato Paste Hungarian Paste Organic
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Pepper Seeds - Ornamental - Black PearlPepper Seeds - Ornamental - Black Pearl
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Yu Choy Sum Seeds - Early Greenmid size pouch type seed packaging for - Yu Choy Sum Early Green
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Okra Seeds - Jade Okrasmall size packet type seed packaging for - Okra Jade Okra
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Chard Seeds - Japanese Umainamid size pouch type seed packaging for - Chard Japanese Umaina
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Tomato Seeds - Slicing - Beefsteak Yellowsmall size packet type seed packaging for - Tomato Slicing Beefsteak Yellow
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Melon Seeds - Honeydew - Earli-Dew HybridMelon Seeds - Honeydew - Earli-Dew Hybrid
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Lettuce Seeds - Leaf - Flame (Organic)small size packet type seed packaging for - Lettuce Leaf Flame Organic
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Crunchy Lentil Fest (Organic) - Bulk Grains & FoodsCrunchy Lentil Fest (Organic) - Bulk Grains & Foods
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Tomato Seeds - Slicing - Watermelon Beefsteakmid size pouch type seed packaging for - Tomato Slicing Watermelon Beefsteak
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Corn Seeds - Sweet - Incredible Hybrid R/M (treated)mid size pouch type seed packaging for - Corn Sweet Incredible Hybrid R/M treated
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Green Lentil - Organic - Cover Crop SeedsGreen Lentil - Organic - Cover Crop Seeds
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Pepper Seeds - Hot - Japanese - Takanotsumemid size pouch type seed packaging for - Pepper Hot Japanese Takanotsume
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Bean Seeds - Bush - Contender (Treated)small size packet type seed packaging for - Bean Bush Contender Treated
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Gourd Seeds - Crown of Thorns ShenotGourd Seeds - Crown of Thorns Shenot
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Tomato Seeds - Cherry - Fox Cherrymid size pouch type seed packaging for - Tomato Cherry Fox Cherry
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Pepper Seeds - Hot - Habanero Orange (Organic)
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