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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629 Items
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Pepper Seeds - Hot - Habanero Caribbean Red (Organic)mid size pouch type seed packaging for - Pepper Hot Habanero Caribbean Red Organic
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Pepper Seeds - Hot - Ancho Sanchez Hybridsmall size packet type seed packaging for - Pepper Hot Ancho Sanchez Hybrid
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Lettuce Seeds - Red Iceberg (Organic)small size packet type seed packaging for - Lettuce Red Iceberg Organic
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Ricinus Seeds - Castor Beanmid size pouch type seed packaging for - Ricinus Castor Bean
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Zinnia Seeds - Cut and Come Again (Organic)
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Nasturtium Seeds - Whirlybird Mixmid size pouch type seed packaging for - Nasturtium Whirlybird Mix
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Lettuce Seeds - Spring Mix - Organicsmall size packet type seed packaging for - Lettuce Spring Mix Organic
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Bean Seeds - Bush - Red Chili (Organic)Bean Seeds - Bush - Red Chili (Organic)
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Endive Seeds - Red Trevisomid size pouch type seed packaging for - Endive Red Treviso
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Colorful Basil Microgreens Seed MixColorful Basil Microgreens Seed Mix
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Dianthus Seeds - Super Parfait Series (Pelleted)Dianthus Seeds - Super Parfait Series (Pelleted)
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Beet Seeds - Early Wonder - Organicsmall size packet type seed packaging for - Beet Early Wonder Organic
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California Poppy Seeds - Formula Mix
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No-Till Pollinator Friendly Cover Crop Seed MixNo-Till Pollinator Friendly Cover Crop Seed Mix
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Celosia Seeds - Plumed - Fresh Look Series (Pelleted)Celosia Seeds - Plumed - Fresh Look Series (Pelleted)
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Wildflower Seeds - Cutting Mix (Organic)Wildflower Seeds - Cutting Mix (Organic)
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Pepper Seeds - Hot - Cowhorn Hotsmall size packet type seed packaging for - Pepper Hot Cowhorn Hot
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Pepper Seeds - Hot - Korean Yeori Gochu - Wa Mae Wo Hybridmid size pouch type seed packaging for - Pepper Hot Korean Yeori Gochu Wa Mae Wo Hybrid
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Sunflower EarthwalkerSunflower Seeds - Earthwalker
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California Poppy Seeds - Red Chiefsmall size packet type seed packaging for - California Poppy Red Chief
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Lentil Seeds - Red - Organic
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Bellis (English Daisy) Seeds - Habanera Mixture (Pelleted)mid size pouch type seed packaging for - Bellis English Daisy Habanera Mixture Pelleted
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Pepper Seeds - Sweet - Jimmy Nardello (Organic)small size packet type seed packaging for - Pepper Sweet Jimmy Nardello Organic
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$4.39
Pepper Seeds - Hot - Cascabellasmall size packet type seed packaging for - Pepper Hot Cascabella
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Kniphofia Seeds - Flamencomid size pouch type seed packaging for - Kniphofia Flamenco
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Lettuce Seeds - Salad Leaf Blend
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Salvia Seeds - Blue Queen
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Sweet Pea Seeds - Everlasting
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Pepper Seeds - Hot - Biquinho Red
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Lettuce Seeds - Tricolor Romaine Blend - Organic
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Shallot Sets - Red
$7.33 $14.65
Endive Seeds - Italian Red Stem Dandelion
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