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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2275 Items
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Tomato Seeds - Slicing - Heirloom Rainbow Blend (Organic)mid size pouch type seed packaging for - Tomato Slicing Heirloom Rainbow Blend Organic
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Milk Thistle Seedssmall size packet type seed packaging for - Milk Thistle
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Lettuce Seeds - Leaf - Lollo Rossomid size pouch type seed packaging for - Lettuce Leaf Lollo Rosso
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Lettuce - Microgreens SeedsLettuce - Microgreens Seeds
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Wheat - Hard White (Organic) - Sprouting SeedsWheat - Hard White (Organic) - Sprouting Seeds
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Crimson Clover - Organic - Microgreens SeedsCrimson Clover - Organic - Microgreens Seeds
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Gourds Seeds - Large Mixmid size pouch type seed packaging for - Gourds Large Mix
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Fenugreek (Organic) - Microgreens SeedsFenugreek (Organic) - Microgreens Seeds
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Packet Collection Organic Heirloom 16 Variety Packet Collection Organic Heirloom 16 Variety
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Cucumber Seeds - Marketmore 76mid size pouch type seed packaging for - Cucumber Marketmore 76
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Tomato Seeds - Paste - Rio Grandemid size pouch type seed packaging for - Tomato Paste Rio Grande
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Basil Seeds - Red Rubinsmall size packet type seed packaging for - Basil Red Rubin
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Crimson Clover - Organic - Sprouting SeedsCrimson Clover - Organic - Sprouting Seeds
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Pepper Seeds - Sweet - Sunbrightmid size pouch type seed packaging for - Pepper Sweet Sunbright
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Lettuce Seeds, Crisphead - Webbs Wonderfulmid size pouch type seed packaging for - Lettuce Crisphead Webbs Wonderful
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Pumpkin Seeds - Small Sugar - Organicsmall size packet type seed packaging for - Pumpkin Small Sugar Organic
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Wheat - Soft White (Organic) - Sprouting SeedsWheat - Soft White (Organic) - Sprouting Seeds
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Celery Microgreens SeedsCelery Microgreens Seeds
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Asparagus Seeds - UC 72small size packet type seed packaging for - Asparagus UC 72
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Bean Seeds - Bush - Black Turtle (Organic)Bean Seeds - Bush - Black Turtle (Organic)
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Fenugreek Seedssmall size packet type seed packaging for - Fenugreek
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Bean Seeds - Bush - Provider (Organic)
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Eggplant Seeds - Long Ping Tung
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