June is the heart of the planting season in cold-winter zones, but it carries a double assignment. The main job is getting every warm-season crop established outdoors. The secondary job — easy to miss — is starting the first wave of fall crops indoors. Leeks, pansies, and violas all have long enough lead times that, if you want them before the October frost, you should sow the seeds now.

Indoors (fresh harvests):

  • Microgreens: peas, broccoli, sunflowers, arugula
  • Sprouts: alfalfa, broccoli, radish, mung
  • Herbs & greens under lights: chives, parsley, mint

Start indoors now for fall: leek, pansy, viola

Transplants to move outdoors (harden first): tomato, pepper, eggplant, basil, sweet potato slips — get anything still waiting indoors out now.

Crops that can be directly sown outdoors in June: beans, corn, cucumber, squash, melons, okra, sunflower, basil, dill, beets, carrots, chard, and nasturtium. Succession-sow radishes and salad greens early in the month while temperatures are still moderate.

Cover crops: buckwheat, cowpeas, red clover — good for any gaps or unplanted beds

Tip: This zone group covers a lot of territory. Nothing replaces talking with experienced gardeners in your area and, of course, watching the weather closely.

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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723 Items
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Corn Seeds - Sweet - Bodacious R/M Hybridmid size pouch type seed packaging for - Corn Sweet Bodacious R/M Hybrid
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Bean Seeds - Bush - Black Turtle (Organic)Bean Seeds - Bush - Black Turtle (Organic)
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Radish Seeds - Lady Slippermid size pouch type seed packaging for - Radish Lady Slipper
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Corn Seeds - Sweet - Sugar Buns Hybridmid size pouch type seed packaging for - Corn Sweet Sugar Buns Hybrid
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Carrot Seeds - Kuroda Long 8"
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Squash - Summer - Dark Green Zucchini (Organic)
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Radish Seeds - Korean - Cheong Du - Hybridmid size pouch type seed packaging for - Radish Korean Cheong Du Hybrid
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Radish Seeds - Easter Egg BlendRadish Seeds - Easter Egg Blend
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Bean Seeds - Bush - Masaimid size pouch type seed packaging for - Bean Bush Masai
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Squash Seeds - Summer - Sunburst Hybridmid size pouch type seed packaging for - Squash Summer Sunburst Hybrid
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Corn Seeds - Popcorn - Glass Gemmid size pouch type seed packaging for - Corn Popcorn Glass Gem
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Yellow Soybeans (Organic) - Bulk Grains & Foodssmall size packet type seed packaging for - Yellow Soybeans Organic Bulk Grains & Foods
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Squash Winter Sweet DumplingSquash Winter Sweet Dumpling
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Squash Seeds - Winter - Sweet Dumpling
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Squash Seeds - Summer - Fordhook Zucchinismall size packet type seed packaging for - Squash Summer Fordhook Zucchini
-28%
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Corn Seeds - Sweet - Country Gentlemansmall size packet type seed packaging for - Corn Sweet Country Gentleman
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Squash Seeds - Summer - Zucchini Elite Hybridmid size pouch type seed packaging for - Squash Summer Zucchini Elite Hybrid
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Watermelon Seeds - Mini - Golden Midgetsmall size packet type seed packaging for - Watermelon Mini Golden Midget
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Corn Seeds - Dent - Hickory King Whitesmall size packet type seed packaging for - Corn Dent Hickory King White
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Carrot Seeds - Red Cored Chantenay - Organicsmall size packet type seed packaging for - Carrot Red Cored Chantenay Organic
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Bean Seeds - Bush - Gold Rush Waxsmall size packet type seed packaging for - Bean Bush Gold Rush Wax
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Melon Seeds - Charentaissmall size packet type seed packaging for - Melon Charentais
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Radish Seeds - SparklerRadish Seeds - Sparkler
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Corn Seeds - Sweet - Jubilee Hybridmid size pouch type seed packaging for - Corn Sweet Jubilee Hybrid
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Carrot Seeds - Kyoto Redmid size pouch type seed packaging for - Carrot Kyoto Red
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Pansy Seeds - Cool Wave SeriesPansy Seeds - Cool Wave Series
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Charleston Grey Watermelon Charleston Grey Watermelon
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Carrot Seeds - Royal Chantenaysmall size packet type seed packaging for - Carrot Royal Chantenay
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Melon Seeds - Honeydew - Green Flesh (Organic)small size packet type seed packaging for - Melon Honeydew Green Flesh Organic
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Parsley Seeds - Triple Moss Curled
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Watermelon Seeds - Picnic - Sangria Hybrid
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Melon Seeds - Charentais (Organic)
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