By June, mild-winter zone gardens are in full production mode. Most warm-season crops are in the ground and growing fast. The main jobs this month are watering consistently, mulching to hold moisture and cool the soil, and staying on top of pests before populations explode in the heat. It is still worth succession sowing heat-tolerant greens and quick-maturing crops early in the month, but as temperatures climb, the emphasis shifts from planting to tending and harvesting what is already growing. Fall planting will begin in July and August — now is the time to plan, not yet act.

Indoors (fresh harvests):

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

Transplants to move outdoors: get anything still waiting indoors out now.

Crops that can be directly sown outdoors in June: okra, cowpeas, yard-long beans, sweet potato slips, sunflower, Armenian cucumber. Early in the month, you can still succession-sow heat-tolerant varieties of beans and squash.

Cover crops: cowpeas, sunn hemp, buckwheat, sorghum-sudangrass

Note: Standard cucumbers, melons, and squash planted now will struggle as heat peaks — focus on heat-tolerant varieties if sowing late in the month.

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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Squash Seeds - Summer - Early Prolific StraightneckSquash Seeds - Summer - Early Prolific Straightneck
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Squash Seeds - Summer - Early Prolific Straightneck
Starting at $2.99
Watermelon Seeds - Picnic - Crimson SweetWatermelon Seeds - Picnic - Crimson Sweet
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Watermelon Seeds - Picnic - Crimson Sweet
Starting at $2.99
Watermelon Seeds - Picnic - Crimson Sweet (Organic)small size packet type seed packaging for - Watermelon Picnic Crimson Sweet Organic
-41%
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Heirloom
Organic
Watermelon Seeds - Picnic - Crimson Sweet (Organic)
Starting at $1.99
Bean Seeds - Pole - Kentucky Bluemid size pouch type seed packaging for - Bean Pole Kentucky Blue
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Bean Seeds - Pole - Kentucky Blue
Starting at $3.09
Melon Seeds - Cantaloupe - Imperial 45mid size pouch type seed packaging for - Melon Cantaloupe Imperial 45
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Melon Seeds - Cantaloupe - Imperial 45
Starting at $3.09
Corn Seeds - Sweet - Honey Select Hybridmid size pouch type seed packaging for - Corn Sweet Honey Select Hybrid
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Corn Seeds - Sweet - Honey Select Hybrid
Starting at $4.19
Squash Seeds - Summer - Early Prolific Straightneck (Organic)small size packet type seed packaging for - Squash Summer Early Prolific Straightneck Organic
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Organic
Squash Seeds - Summer - Early Prolific Straightneck (Organic)
Starting at $3.59
Sunflower Seeds - Ring of Firemid size pouch type seed packaging for - Zinnia Magellan Series Orange
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Sunflower Seeds - Ring of Fire
Starting at $4.29
Watermelon Seeds - Mini - Cal Sweet Bush AASsmall size packet type seed packaging for - Watermelon Mini Cal Sweet Bush AAS
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Watermelon Seeds - Mini - Cal Sweet Bush AAS
Starting at $3.39
Melon Seeds - Cantaloupe - Honey Rocksmall size packet type seed packaging for - Melon Cantaloupe Honey Rock
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Melon Seeds - Cantaloupe - Honey Rock
Starting at $2.99
Bean Seeds - Bush - Topcropsmall size packet type seed packaging for - Bean Bush Topcrop
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Bean Seeds - Bush - Topcrop
Starting at $3.29
Okra Seeds - Lousiana Green VelvetOkra Seeds - Lousiana Green Velvet
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Okra Seeds - Lousiana Green Velvet
Starting at $2.99
Watermelon Seeds - Picnic - Shiny Boy Hybrid (treated)
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Watermelon Seeds - Picnic - Shiny Boy Hybrid (treated)
Starting at $4.09
Corn Seeds - Sweet - Honey Select Hybrid (treated)mid size pouch type seed packaging for - Corn Sweet Honey Select Hybrid treated
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Corn Seeds - Sweet - Honey Select Hybrid (treated)
Starting at $85.65
Garlic Chives Seeds - Geisha AAS
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Garlic Chives Seeds - Geisha AAS
Starting at $3.79
Watermelon Seeds - Mini - Sweet Beauty HybridWatermelon Seeds - Mini - Sweet Beauty Hybrid
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Starting at $7.69
Bean - Pole - SeychellesBean - Pole - Seychelles
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Bean - Pole - Seychelles
Starting at $2.89
Okra Seeds - Clemson Spineless
Starting at $2.99
Melon Seeds - Cantaloupe - Honey Rock (Organic)
Starting at $3.59
Okra Seeds - Blondy
Starting at $2.99
Bean Seeds - Bush - Mascotte
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