June is a month of full-throttle gardening across most of the country. Cold-winter zones are finally free of frost and working hard to get warm-season crops in the ground — but June also brings the first quiet signal that fall is not far off, and a few crops need to go indoors now to be ready in time. Mild-winter zones are managing a garden already in high gear, balancing harvests, succession sowing, and the first real heat of the season. And in the warmest zones, the focus shifts decisively toward heat-tolerant crops and keeping the garden productive as temperatures peak. Wherever you garden, June rewards attentiveness.
Cold Winter Zones (3–7): June is the heart of the warm-season planting window. The frost risk is behind you, soils are warming, and this is your window to get tomatoes, peppers, cucumbers, squash, beans, and corn in the ground. At the same time, June is when fall planting quietly begins. Leeks, pansies, and violas all need to be started indoors this month if you want them for a fall harvest or bloom before the October freeze.
Mild Winter Zones (8–9a): By June, gardens in these zones are in full production. 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. It is still worth succession sowing heat-tolerant crops early in the month, but as temperatures climb, the emphasis shifts from planting to tending and harvesting. Fall planting starts in July and August for these zones — no action needed yet, but a good month to plan.
Warm Winter Zones (9b–12): June marks the start of high summer, and gardening strategies shift accordingly. Heat-tolerant crops like okra, sweet potatoes, cowpeas, and yard-long beans thrive now, while most cool-season crops are long finished. In frost-free areas with reliable summer rainfall — particularly Florida and Hawaii — tropical crops come into their own. Fall planting is still months away, but worth thinking about: in these zones, fall is the prime growing season, and August and September are when the cool-season garden gets rolling again.
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![Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites]()
Squash Seeds - Winter - Honeybaby Hybrid
90 to 100 days to maturity. Cucurbita moschata. Honeybaby Hybrid Butternut Winter Squash Seeds. Non-GMO, annual, F1 hybrid, AAS winner 2017. Suitable for growing in fields, garden plots, raised beds,...
Squash Seeds - Winter - Delicata Bush AAS
Delicata Bush AAS Winter Squash Seeds. 80 - 100 days to maturity. 2002 National AAS Winner. Can be grown in containers. Cucurbita pepo. Annual. Heirloom. Healthy semi-bush 3-4 ft. vines,...
Melon Seeds - Japanese - Ichiba Kouji Hybrid
55-60 Days to maturity. Cucumis melo. Ichiba Kouji Japanese Hybrid Melon Seeds. A non-GMO, annual, hybrid, heat tolerant, drought tolerant, Asian Melon. Suitable for growing in garden plots, raised beds,...
Radish Seeds - Champion - Organic
Raphanus sativus. (28 days) Smooth, perfectly round cherry red radishes in only 28 days. Champion radishes don't get hot or woody when they reach maturity like other radishes can. Organic...
Beans - Black Turtle (Organic) - Sprouting Seeds
3-5 Days to Harvest. Phaseolus vulgaris. Organic Black Turtle Bean Sprouting Seeds. These organic black beans produce fresh, crunchy sprouts that can easily be substituted for black beans in any...
Bean Seeds - Bush - Jade (Treated)
50-65 Days to maturity. Phaseolus vulgaris. Jade Bush Treated Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, rust resistant, high-yielding, bush, snap green bean. Suitable for growing in containers, garden plots,...
Sunflower Seeds - ProCut®
50-65 Days to maturity. Helianthus annuus. ProCut F1 Hybrid Sunflower Seeds: Non-GMO. Ornamental. Annual. ProCut sunflower series seeds grow some of summer's most astonishing, vigorous, and timeless blooms. ProCut sunflower...
Radish Seeds - Chinese - Starburst - Hybrid
60 Days to maturity. Raphanus sativus. Starburst Chinese Radish Hybrid Seeds. Cool Season Annual. Starburst radishes are part of the watermelon radish group, which means that you’ll find bright red...
Beet Seeds - Crosby Egyptian - Organic
Beta vulgaris. (60 days) Egyptian type beets were created in the 1860s by the Germans. The Crosby strain was selected by Josiah Crosby of Arlington, Massachusetts and introduced by The...
Squash Seeds - Summer - Zucchini Greyzinni Hybrid
50 days. High-yielding, 5 to 6 inch, attractive heavily striped, light green-grey zucchini with fine eating quality and creamy, sweet flavor. These somewhat blocky fruits have a slight taper. Open-spaced...
Sunflower Seeds - Lemon Queen
80-100 Days to maturity. Helianthus annus. Lemon Queen Sunflower Seeds. Non-GMO, open-pollinated, heirloom, annual, multi-branching sunflower. This bright sunflower features light, lemony petals and a light brown center that demands...
Swiss Chard Seeds - Orange
55 days. Orange Swiss Chard is a great ornamental vegetable. Don't just plant it in the garden, add some in the landscaping. These bright orange stalks will spice up any...
Swiss Chard Seeds - Magenta Sunset
60 days. Magenta Sunset Swiss chard has striking almost neon pink stems with dark green leaves. These leaves are both beautiful and practical to grow in the home garden. Their...
Bean Seeds - Bush - Harvester
55 Days to maturity. Phaseolus vulgaris. Harvester Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, snap green bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Kamut (Organic) - Sprouting Seeds
KAMUT® Brand khorasan wheat is an ancient relative of modern durum wheat, originating in Mesopotamia. It is versatile and can be used for everything from sprouting to kamut grass, to...
Beet Seeds - Green Top Bunching
Beta vulgaris (60 days) Green Top Bunching beets have flattened globe shaped roots. Beet roots are red and tasty. Perfect for cooking or pickling. Approx. 1,500 seeds/ounce. Beet Seeds -...
Beet Seeds - Crosby Egyptian
Beta vulgaris (60 days) Egyptian type beets were created in the 1860s by the Germans. The Crosby strain was selected by Josiah Crosby of Arlington, Massachusetts and introduced by The...
Bean Seeds - Bush - Broad Windsor Fava
70-85 Days to maturity. Vicia faba. Broad Windsor Fava Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, bush, shell, fava bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
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...
Okra Seeds - Cows Horn
Abelmoschus esculentus (55 days) This heirloom okra dates back to around the Civil War. It has a twisted shape that resembles a cow's horn. These large pods can reach 14"...
Sunflower Seeds - Sungold Dwarf
Helianthus annuus (80 days) Sunflower Dwarf is also known as "Teddy Bear". Sungold grows 24" to 36" tall and has profusion of bushy yellow sunflowers. Very easy to grow and...
Triticale (Organic) - Sprouting Seeds
1-2 Days to Harvest. x Triticosecale. Organic Triticale Sprouting Seeds. Organic. Non-GMO. Sprouting. High Germination. Triticale is hardy, easy to sprout and grow, and is very nutritious. It has a...
Carrot Seeds - Brilliance
The Brilliance Carrot typically grows to 8-10 inches long in root length, with another 10-12 inches top length. Plant the seeds directly outside in full sun. Best grown when planted...
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...
Corn Seeds - Dent - Pencil Cob
Zea mays Pencil Cob (73-100 days) is was named this way because the cob can be as thin as a pencil. This produces long and deep kernels. 73-100 Days to...
Chia - White (Organic) - Sprouting Seeds
6-10 Days to Harvest. Salvia hispanica. Organic White Chia Sprouting Seeds. Organic. Non-GMO. Sprouting. High Germination. Great for chia pet refills, microgreens, sprouting, storage, vegan recipes, and more. Great source...
Swiss Chard Seeds - Rhubarb
55 days. Rhubarb Swiss Chard leaves are a beautiful variety and excellent in the kitchen as well. Recommended by USU. This plant produces dark reddish-green, heavily crumpled leaves, beautiful crimson...
Bean Seeds - Bush - Golden Wax (Organic)
50-55 Days to maturity. Phaseolus vulgaris. Organic Golden Wax Bush Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, high-yielding, bush, snap wax bean. Suitable for growing in containers, garden plots, raised...
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