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.
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Watermelon Seeds - Mini - Sugar Baby
75-80 Days to maturity. Citrullus lanatus. Sugar Baby Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Suitable for growing in garden plots and large containers (minimum 7...
Crimson Clover - Cover Crop Seeds
70-90 Days. Trifolium incarnatum. Cover Crop. Non-GMO. Annual. Heirloom crimson clover seeds are an ideal annual garden companion and cover crop for plants and soils deficient in nitrogen. Use to...
Spearmint Seeds
50-70 Days to maturity. Mentha spicata. Spearmint Seeds. Non-GMO, perennial, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Enjoy the vibrant, fruity aroma of...
Chives Seeds (Organic)
60 days. Organic Chives Culinary Herb Seeds. Allium schoenoprasum. Perennial. Non-GMO. A member of the onion family along with garlic and leeks, Organic chives are a smaller, more tubular relative...
White Dutch Clover - Cover Crop Seeds
70-90 Days. Trifolium repens. Non-GMO. Cover Crop. Perennial. Open-pollinated White Dutch clover seeds produce a cover crop for gardens lacking in nitrogen and productivity. Non-GMO White Dutch clover seeds quickly...
Crimson Clover - Organic - Cover Crop Seeds
70-90 Days. Trifolium incarnatum. Organic. Cover Crop. Non-GMO. Heirloom Organic crimson clover seeds are an ideal annual garden companion and cover crop for plants and soils deficient in nitrogen. Use...
Melon Seeds - Cantaloupe - Imperial 45
65-85 Days to maturity. Cucumis melo. Imperial 45 Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, AAS winner, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Melon Seeds - Cantaloupe - Minnesota Midget
65-70 Days to maturity. Cucumis melo var. reticulatus. Minnesota Midget Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised beds, and...
Watermelon Seeds - Mini - Baby Doll Hybrid
70-75 Days to maturity. Citrullus lanatus. Baby Doll F1 hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat tolerant, seeded, mini watermelon. These warm season watermelons win the race as their oval-shaped...
Watermelon Seeds - Mini - Sugar Baby (Organic)
75-80 Days to maturity. Citrullus lanatus. Organic Sugar Baby Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Suitable for growing in garden plots and large containers...
Watermelon Seeds - Picnic - Striped Klondike Blue Ribbon
77-80 Days to maturity. Citrullus lanatus. Striped Klondike Blue Ribbon Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. First bred in...
Watermelon Seeds - Icebox - Bush Sugar Baby
75 Days to maturity. Citrullus lanatus. Bush Sugar Baby Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, Icebox watermelon. Suitable for growing in garden plots and large containers (minimum...
Watermelon Seeds - Mini - Golden Midget
60-70 Days to maturity. Citrullus lanatus. Golden Midget Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Bred by Elwyn Meader and Albert Yaeger at U of...
Sunflower Seeds - Indian Blanket
75-90 Days to maturity. Helianthus annuus. Indian Blanket Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Indian Blanket blooms gorgeous flowers that are shades of orange, red, and yellow. These beautiful...
Melon Seeds - Cantaloupe - Athena Hybrid
75 Days to maturity. Cucumis melo. Athena Hybrid Cantaloupe Melon Seeds. A non-GMO, annual, hybrid, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Chinese Leek Seeds - Flowering
65-75 days to maturity. Allium tuberosum ‘Flowering’. Flowering Chinese Leek Seeds. Non-GMO, cool-season perennial heirloom. This popular Chinese specialty herb is a vigorous perennial. It is grown for its young...
Sunflower Seeds - Skyscraper
80 Days to maturity. Helianthus annuus. Skyscraper Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. This sunflower is so tall you will need a big ladder to reach it, and even...
Watermelon Seeds - Icebox - Yellow Petite
65-78 Days to maturity. Citrullus lanatus Yellow Petite watermelon seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, mini watermelon. Petite Yellow watermelon is perfect for those with a short growing...
Okra Seeds - Star of David - Organic
Organic Star of David Okra Seeds. 60 - 75 days to maturity. Abelmoschus esculentus. Heirloom, Non-GMO, Annual. An Israeli variety, Star of David grows 8 to 10 feet tall stalks....
Melon Seeds - Cantaloupe - Tuscany
78 Days to maturity. Cucumis melo. Tuscany Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. The Tuscany...
Sunflower Seeds - Earthwalker
75-85 Days to maturity. Helianthus annuus ’Earthwalker’. Earthwalker Sunflower Seeds: Non-GMO, open-pollinated, ornamental, annual, drought-tolerant, heat-tolerant, multi-branching sunflower. Earthwalker sunflower seeds grow deeply colored and complement any outdoor space. These...
Corn Seeds - Golden Bantam 8
75-85 Days to maturity. Zea mays. Golden Bantam 8 Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Sweet Corn. Golden Bantam 8, a classic heirloom variety, is a testament to its rich...
Parsley Seeds - Evergreen
70-80 Days to maturity. Petroselinum crispum. Evergreen Parsley Seeds. Non-GMO, annual, AAS Winner, open-pollinated. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Evergreen Parsley features vibrant...
Bean Seeds - Bush - Fava (Organic)
70-85 Days to maturity. Vicia faba. Organic Fava Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bush, shell, fava bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Bean Seeds - Bush - Phenomenal (Cowpeas)
60-70 Days to maturity. Vigna unguiculata. Phenomenal Cowpea Bean Seeds. Non-GMO, annual, open-pollinated, high-yielding, bush, shelling bean (cowpea). Drought and heat resistant. Suitable for growing in containers, garden plots, raised...
Melon Seeds - Cantaloupe - Hales Best 45 PMR
68-90 Days to maturity. Cucumis melo. Hale’s Best 45 PMR Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised...
Melon Seeds - Cantaloupe - Golden Delicious
75 Days to maturity. Cucumis melo var. cantalupensis.. Golden Delicious Cantaloupe Melon Seeds. A non-GMO, annual, heirloom, open-pollinated, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Chives Seeds
Non-GMO, Heirloom Chives Herb Garden Seed from True Leaf Market. Allium schoenoprasum. Chives are native to regions in Asia and Europe. This Chive cultivar is common in the U.S. and...
Parsley Seeds - Italian Giant (Organic)
70-80 Days to maturity. Petroselinum crispum. Organic Italian Giant Parsley Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Italian Giant...
Parsley Seeds - Triple Moss Curled
70-80 Days to maturity. Petroselinum crispum. Triple Moss Curled Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Triple Moss Curled...
Parsley Seeds - Italian Giant
70-80 Days to maturity. Petroselinum crispum. Italian Giant Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Italian Giant parsley brings...
Parsley Seeds - Double Curled
75 Days to maturity. Petroselinum crispum. Double Curled Parsley Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Double Curled Parsley is...
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