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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671 Items
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Broccoli Seeds - Chinese Broccoli - Big Stemmid size pouch type seed packaging for - Broccoli Chinese Broccoli Big Stem
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Lentil Seeds - Green - OrganicLentil Seeds - Green - Organic
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Squash Seeds - Summer - Vegetable Marrow White Bushsmall size packet type seed packaging for - Squash Summer Vegetable Marrow White Bush
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Carrot Seeds - Scarlet Redmid size pouch type seed packaging for - Carrot Scarlet Red
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Bean Seeds - Pole - Bai Bu Lao Yellowmid size pouch type seed packaging for - Bean Pole Bai Bu Lao Yellow
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Pea Seeds - Snap - Taichung 13mid size pouch type seed packaging for - Pea Snap Taichung 13
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Squash Seeds - Japanese, Winter - Blue Kurimid size pouch type seed packaging for - Squash Japanese Winter Blue Kuri
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Lettuce Seeds - Summer 38 Celtucemid size pouch type seed packaging for - Lettuce Summer 38 Celtuce
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Pepper Seeds - Sweet - Tender Bell HybridPepper Seeds - Sweet - Tender Bell Hybrid
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Tomato Seeds - Slicing - Momotaro Gold Hybridmid size pouch type seed packaging for - Tomato Slicing Momotaro Gold Hybrid
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Squash Seeds - Korean, Summer - Teot Bat Put - Hybrid
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Chinese Cabbage Seeds - Kyoto No. 3mid size pouch type seed packaging for - Chinese Cabbage Kyoto No 3
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Chinese Cabbage Seeds - Kyoto No. 3
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Onion Seeds - Bunching - Tokyo Long White (Organic)
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Okra Seeds - Star of David - Organicsmall size packet type seed packaging for - Okra Star of David Organic
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Chinese Mahogany Seeds - Microgreenssmall size packet type seed packaging for - Chinese Mahogany Microgreens
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Chinese Mahogany Seeds - Microgreens
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Basil Seeds - Limesmall size packet type seed packaging for - Basil Lime
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Basil Seeds - Lime
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Anise - Microgreens Seedsmid size pouch type seed packaging for - Anise Microgreens
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Anise - Microgreens Seeds
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Pak Choi Seeds - Savoy Tatsoimid size pouch type seed packaging for - Pak Choi Savoy Tatsoi
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Mustard - Wasabi (Organic)Mustard - Wasabi (Organic)
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Squash Seeds - Chirimensmall size packet type seed packaging for - Squash Chirimen
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Cucumber Seeds - Summer Top - Hybridmid size pouch type seed packaging for - Cucumber Summer Top Hybrid
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Basil Seeds - Licoricesmall size packet type seed packaging for - Basil Licorice
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Pak Choi Seeds - Tasty Pagoda Purple Hybrid
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Radish, Daikon (Organic) - Vegetable SeedsRadish, Daikon (Organic) - Vegetable Seeds
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Chinese Celery Seeds - Light Greenmid size pouch type seed packaging for - Chinese Celery Light Green
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Flowering Kale Seeds - Kamome SeriesFlowering Kale Seeds - Kamome Series
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Chinese Cabbage Seeds - Beka Santohmid size pouch type seed packaging for - Chinese Cabbage Beka Santoh
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Eggplant Seeds - Black Shine - Hybridmid size pouch type seed packaging for - Eggplant Black Shine Hybrid
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Gourd Seeds - Bitter
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Gourd Seeds - Emerald - Hybrid
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Cucumber Seeds - Painted Serpent (Organic)
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Cucumber Seeds - Summer Dance - Hybrid
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