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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359 Items
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Bean Seeds - Pole - Purple Moon Hyacinthmid size pouch type seed packaging for - Bean Pole Purple Moon Hyacinth
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Beet Seeds - Green Top Bunching - Organicsmall size packet type seed packaging for - Beet Green Top Bunching Organic
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Tomato Seeds - Cherry - Brad's Atomic Grape
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Pepper - Sweet - Midnight Dreamsmid size pouch type seed packaging for - Pepper Sweet Midnight Dreams
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Salvia Seeds - Evolution Violetmid size pouch type seed packaging for - Salvia Evolution Violet
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Bean Seeds - Bush - Royal Burgundy (Organic)mid size pouch type seed packaging for - Bean Bush Royal Burgundy Organic
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Bean Seeds - Bush - Dragons Tongue WaxBean Seeds - Bush - Dragons Tongue Wax
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Lettuce Rouge dHiver OrganicLettuce Rouge dHiver Organic
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Pea Seeds - Snap - Purple Magnoliamid size pouch type seed packaging for - Zinnia Magellan Series Orange
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Mustard Seeds - Red TatsoiMustard Seeds - Red Tatsoi
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Lettuce Seeds - Leaf - Bronze Guardmid size pouch type seed packaging for - Lettuce Leaf Bronze Guard
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Pepper Seeds - Sweet - Cayenne Sweetness Hybridmid size pouch type seed packaging for - Pepper Sweet Cayenne Sweetness Hybrid
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Radish Seeds - Purple Plum - Organicsmall size packet type seed packaging for - Radish Purple Plum Organic
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Cabbage Seeds - Red Express - Organicsmall size packet type seed packaging for - Cabbage Red Express Organic
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Verbena Seeds - Imaginationmid size pouch type seed packaging for - Verbena Imagination
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Corn Seeds - Flour - Montana Morado Maize
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Lobelia Seeds - Crystal Palacemid size pouch type seed packaging for - Lobelia Crystal Palace
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Nicotiana Seeds - Perfume Deep Purple (Pelleted)
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