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]()
Melon Seeds - Charantais - Hakucho Hybrid
65 Days to maturity. Cucumis melo var. cantalupensis. Charantais Hakucho Melon Seeds. A non-GMO, annual, hybrid, heat-tolerant Asian Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Also...
Beet Seeds - Boltardy
The Boltardy beet is rich in both taste and color. Unlike many beets, the Boltardy can be sown early as it doesn’t bolt. Seeds should be planted ½” below the...
Sunflower Seeds - Evening Sun
75 Days to maturity. Helianthus annuus. Evening Sun Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Evening Sun is a beautiful bi-color sunflower with shades of burgundy, bronze, and yellow. These...
Melon Seeds - Cantaloupe - Sierra Gold (Organic)
90 Days to maturity. Cucumis melo. Organic Sierra Gold Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heat-tolerant cantaloupe. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant...
Squash Seeds - Summer - Black Zucchini (Organic)
44-62 Days to maturity. Cucurbita pepo. Organic Black Zucchini Summer Squash Seeds. Non-GMO, warm weather annual, open-pollinated, summer squash. While this variety is named ‘black’, this zucchini actually has a...
Radish Seeds - Sparkler White Top - Organic
Raphanus sativus (23 days) Very quick to produce, spicy when small (about lg marble size) and become more mild when larger. Attractive red radish that looks like it has been...
Bean Seeds - Bush - Wase Adzuki
60-80 Days to maturity. Vigna angularis. Wase Adzuki Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, AAS winner, high-yielding, bush, shell, Asian, specialty, sprouting bean. Suitable for growing in containers, garden plots,...
Radish Seeds - Fujikaze - Hybrid
Radish Seeds - Fujikaze - Hybrid. Non-GMO. Raphanus sativus. 60 days. Cool season annual. Fujikaze radish has a green shoulder grow to 15 inches in length and 2.5 inches in...
Carrot Seeds - Samurai Red
70 to 90 Days to maturity. Daucus carota Samurai Red - Carrot Seeds. Heirloom. Cool Season Annual. This is a Japanese kintoki-type (sweet red) carrot. Its glossy deep scarlet roots...
Melon Seeds - Cantaloupe - Iroquois
75-90 Days to maturity. Cucumis melo. Iroquois Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant to...
Triticale (Organic) - Bulk Grain
Triticale is a hybrid of of wheat and rye. Ideal for grass growing and juicing! Certified Organic. Select a Different Use for This Seed: Cover Crop Sprouting Grass Organic Triticale...
Melon Seeds - Cantaloupe - Haogen
80-85 Days to maturity. Cucumis melo. Haogen Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. This unique...
Bean Seeds - Bush - Mappe Green Mung
70 Days to maturity. Vigna radiata. Mappe Green Mung Bean Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat and drought tolerant, bush, shell, Asian, specialty, sprouting bean. Suitable for growing in...
Bean Seeds - Bush - Sunray
50-60 Days to maturity. Phaseolus vulgaris. Sunray Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heavy-yielding, drought-tolerant, bush, snap, green beans. Suitable for growing in containers, garden plots, raised beds, and...
Sunflower Seeds - Classic Gold
55-70 Days to maturity. Helianthus annuus. Classic Gold F1 Hybrid Sunflower Seeds: Non-GMO. Ornamental. Annual. The traditional sunflower that everyone knows, Sunflower Classic Gold is flawless as a cut flower...
Radish Seeds - Chinese - Shunkyo
30 to 40 Days to maturity. Raphanus sativus. Shunkyo Chinese Radish Heirloom Seeds. Cool Season Annual. Shunkyo radishes are a hidden gem that originates from Northern China. These radishes grow...
Squash Seeds - Japanese, Winter - Kogiku
Squash Seeds - Japanese, Winter - Kogiku. Heirloom, Non-GMO. Cucurbita maxima. 95 to 110 Days. 30 days after fruit setting. Warm season annual. An early maturing and disease resistant high...
Melon Seeds - Cantaloupe - Delicious 51
85 Days to maturity. Cucumis melo. Delicious 51 Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant...
Melon Seeds - Cantaloupe - Edisto 47 (Organic)
85 Days to maturity. Cucumis melo. Organic Edisto 47 Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant, humidity-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds,...
Carrot Seeds - Culinary Blend
Culinary Blend Carrot Seeds. 70 to 80 days to maturity. Daucus carota. Open Pollinated, Annual. Culinary Blend contains a tasty blend of yellow white and orange carrots. About 18,000 seeds/ounce...
Garlic Chives Seeds - Geisha AAS
Geisha AAS Garlic Chives Seeds. 75 days to maturity from seed. 30 days to maturity from transplant. 2015 AAS National Winner. Allium tuberosum. Open pollinated, Perennial in zones 3-10. Can...
Bean Seeds - Bush - Tohya Soybean
85 Days to maturity. Glycine max. Tohya Edamame Soybean Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, shell, soybean, Asian bean. Suitable for growing in containers, garden plots, raised beds,...
Watermelon Seeds - Icebox - Triple Express Hybrid
Triple Express F1 Hybrid Watermelon Seeds. Citrullus lanatus. F1 Hybrid. Non-GMO. Annual. 80 days to maturity. Seedless. Triple Express F1 is an early Crimson Sweet triploid, with a firm flesh...
Melon Seeds - Casaba - Sungold (Organic)
85-110 Days to maturity. Cucumis melo. Organic Sungold Casaba Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant, drought-tolerant, Casaba Melon. Suitable for growing in garden plots, raised beds, and...
Nasturtium Seeds - Empress of India (Organic)
65-75 Days to maturity. Tropaeolum majus ’Empress of India’. Organic Nasturtium Empress of India Seeds. Non-GMO, perennial, heirloom. This variety of Nasturtium seed has enriched garden spaces for centuries. Attractive...
Squash Seeds - Winter - Winter Harvest Blend
Winter Harvest Blend Winter Squash Seeds. 90 to 120 days to maturity. Cucurbita maxima. Heirloom, Annual. With gardens and farmland shrinking it makes sense to grow all your favorite winter...
Melon Seeds - Sharlyn
90 Days to maturity. Cucumis melo. Sharlyn Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat tolerant, drought tolerant, specialty Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Squash Seeds - Summer - Clarinette F1
Clarinette F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 45 days to maturity. Clarinette F1 is a high yielding pale green to white, bulbous squash. About 250 Seeds...
Sunflower Seeds - Zohar (Organic)
50-60 Days to maturity. Helianthus annuus. Zohar F1 Hybrid Sunflower Seeds: Non-GMO. Organic. Open Pollinated. Ornamental. Annual. Zohar F1 Hybrid is a beautiful pollen-less sunflower that will brighten up your...
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