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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4042 Items
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Chamomile Seeds - Romansmall size packet type seed packaging for - Chamomile Roman
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Cucumber Seeds - Straight Eight (Organic)small size packet type seed packaging for - Cucumber Straight Eight Organic
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Bean Seeds - Pole - Oriental Yard LongBean Seeds - Pole - Oriental Yard Long
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Bean Seeds - Bush - Pintosmall size packet type seed packaging for - Bean Bush Pinto
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Tomato Seeds - Cherry - Yellow Pear (Organic)
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Micro-Mats Hydroponic Grow Pads 4"x 4"Micro-Mats Hydroponic Grow Pads 4"x 4"
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Celery - Utah 52-70 - Microgreens SeedsCelery - Utah 52-70 - Microgreens Seeds
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Fennel Seeds - FlorenceFennel Seeds - Florence
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Corn Seeds - Sweet - Stowells Evergreenmid size pouch type seed packaging for - Corn Sweet Stowells Evergreen
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Bean Seeds - Pole - Qing Bainmid size pouch type seed packaging for - Bean Pole Qing Bain
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Kale Seeds - Lacinato (Black Tuscan)mid size pouch type seed packaging for - Kale Lacinato Black Tuscan
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Squash Seeds - Summer - Crookneck (Organic)small size packet type seed packaging for - Squash Summer Crookneck Organic
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Wildflower Seeds - Bee Friendly MixWildflower Seeds - Bee Friendly Mix
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Radish Seeds - Microgreen - Sango Purple (Organic)
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Chinese Cabbage - Sprouting SeedsChinese Cabbage - Sprouting Seeds
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Melon Seeds - Honeydew - Green Fleshmid size pouch type seed packaging for - Melon Honeydew Green Flesh
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Basil Seeds - ThaiBasil Seeds - Thai
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Sunflower Seeds - All Sorts Mixturesmall size packet type seed packaging for - Sunflower All Sorts Mixture
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Corn Seeds - Flint - Hopi Blue
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Celery Seeds - Golden Self BlanchingCelery Seeds - Golden Self Blanching
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Carrot Seeds - Tendersweet - Organic
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Radish - China Rose (Organic) - Microgreens Seeds
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Artichoke Seeds - Green Globe
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