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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Kohlrabi Seeds - Purple ViennaKohlrabi Seeds - Purple Vienna
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Onion Seeds - Intermediate - Candy Hybridmid size pouch type seed packaging for - Onion Intermediate Candy Hybrid
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Tomato Seeds - Cherry - Sunsugar HybridTomato Seeds - Cherry - Sunsugar Hybrid
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Tomato Seeds - Slicing - Big Beef Hybridmid size pouch type seed packaging for - Tomato Slicing Big Beef Hybrid
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Wild Arugula - Herb Seedsmid size pouch type seed packaging for - Wild Arugula Herb
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Pea Seeds - Shelling - Green Arrow (Organic)small size packet type seed packaging for - Pea Shelling Green Arrow Organic
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Culinary Herb Seeds CollectionCulinary Herb Seeds Collection
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Bean Seeds - Pole - Winged Beanmid size pouch type seed packaging for - Bean Pole Winged Bean
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Lettuce Seeds - Summer BibbLettuce Seeds - Summer Bibb
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Mixed Greens - Mesclun Mix - Microgreens SeedsMixed Greens - Mesclun Mix - Microgreens Seeds
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Mixed Greens - Mesclun Mix - Microgreens Seeds
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Buckwheat - Whole (Organic) - Sprouting SeedsBuckwheat - Whole (Organic) - Sprouting Seeds
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Turnip - Purple Top White Globe - Microgreens SeedsTurnip - Purple Top White Globe - Microgreens Seeds
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Pepper Seeds - Hot - Jalapeno Mmid size pouch type seed packaging for - Pepper Hot Jalapeno M
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Beet Seeds - Ruby Queensmall size packet type seed packaging for - Beet Ruby Queen
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Sunflower Seeds - Dwarf Sunspotmid size pouch type seed packaging for - Sunflower Dwarf Sunspot
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Pumpkin Seeds - Howdenmid size pouch type seed packaging for - Pumpkin Howden
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Gourds Seeds - Luffa Sponge
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Tomato Seeds - Slicing - Beefsteak IndeterminateTomato Seeds - Slicing - Beefsteak Indeterminate
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Watermelon Seeds - Picnic - Jubileemid size pouch type seed packaging for - Watermelon Picnic Jubilee
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Beet Seeds - Early Wonder Tall Topmid size pouch type seed packaging for - Beet Early Wonder Tall Top
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Petunia Seeds - Madness Series (pelleted)Petunia Seeds - Madness Series (pelleted)
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Pepper Seeds - Sweet - Red Cherry Sweetmid size pouch type seed packaging for - Pepper Sweet Red Cherry Sweet
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Cress Seeds - Watercressmid size pouch type seed packaging for - Cress Watercress
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Pumpkin Seeds - Jack Be Little
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Cilantro Seeds - Leisure SplitsCilantro Seeds - Leisure Splits
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Pepper Seeds - Sweet - Horizon Orangemid size pouch type seed packaging for - Pepper Sweet Horizon Orange
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Roselle Seeds - Asian Sour Leaf (Hibiscus)mid size pouch type seed packaging for - Roselle Asian Sour Leaf Hibiscus
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Oregano Seeds - Greekmid size pouch type seed packaging for - Oregano Greek
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Chives SeedsChives Seeds
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12 Variety Pack Microgreens Sampler12 Variety Pack Microgreens Sampler
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$31.01
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Radish - China Rose (Organic) - Sprouting Seeds
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