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]()
Swiss Chard Seeds - Flamingo
Flamingo Swiss Chard Seeds. 60 days to full maturity. 30 days to maturity for baby leaves. Can be grown in containers. Can be grown as micro greens. Beta vulgaris. Open...
Squash Seeds - Table Gold
Cucurbita pepo (90 days) Created by Dr. Oved Shifriss, this highly productive, golden acorn-shaped squash has a fantastic nutty flavor. Squash Seeds - Table Gold Table Gold is earlier than...
Bean Seeds - Bush - Gold Rush Wax (Organic)
50 Days to maturity. Phaseolus vulgaris. Organic Wax Gold Rush Bush Bean Seeds. Non-GMO, annual, organic, open-pollinated, AAS Winner, heirloom, bush, snap, wax bean. Suitable for growing in containers, garden...
Squash Seeds - Winter - Delicata - Organic
(100 days) Introduced in 1890s. Delicious, creamy sweet potato like taste. Delicata has a fine grained, light orange flesh steamed or baked. Organic Delicata Squash Seeds Delicata has a very...
Squash Seeds - Winter - Hubbard Golden Delicious
Hubbard Golden Winter Squash Seeds. Annual. 100-120 Days to Harvest. Heirloom, Non-GMO, Open Pollinated. Cucurbita maxima. Other names: Red Hubbard, Golden Warted Hubbard. Developed by M. D. Ferry in 1898,...
Radish Seeds - Fire Candle
Fire Candle Radish Seeds. 30-40 Days to maturity. Annual, open-pollinated, and non-GMO seeds. Raphanus sativus. Looking more similar to a red carrot than spring radish, the Fire Radish candle is...
Bean Seeds - Bush - Karikachi #3 Edamame Soybean
70-90 Days to maturity. Glycine max. Karikachi #3 Soybean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, shell, soybean, Asian bean. Suitable for growing in containers, garden plots, raised beds, and...
Squash Seeds - Winter - Thelma Sanders
90 days to maturity. Cucurbita pepo. Thelma Sanders Acorn Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated. Suitable for growing in fields, garden plots, and raised beds. Beloved Missouri heirloom acorn...
Hot Radish Seeds - Karaine - Hybrid
70 days to maturity. Raphanus sativus. Karaine Hot Radish Seeds, Hybrid. Cool season annual, non-GMO. Hot radishes are a unique and flavorful variety of daikon that get their name from...
Radish Seeds - Hailstone
In 25 days, growers should see 2-inch radishes develop a pure- white skin with firm flesh. Non-GMO and heirloom Hailstone Radish are reliable and quick-growing vegetables for new gardeners. Vegetable...
Bean Seeds - Bush - Jackson Wonder Lima
65-85 Days to maturity. Phaseolus lunatus. Jackson Wonder Lima Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought-tolerant lima bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Radish Seeds - Long Scarlet Cincinnati
Long Scarlet Cincinnati Radish Seeds. Heirloom, Non-GMO. Raphanus sativus. 30 days. Long tapered deep red roots, 6 x 3/4 in roots, crisp tender white flesh , medium tops, for bunching...
Radish Seeds - White Beauty
White Beauty Radish Seeds. 30 days to maturity. Can be grown in containers. Raphanus sativus. Heirloom, Annual. Approximately 6,800 seeds/ounce. Radish Seeds - White Beauty These pure white skin radish...
Quinoa (Organic) - Bulk Grains
Quinoa (pronounced KEEN-wah), a cousin of both amaranth and spinach, is a pseudo-cereal with many uses. This Organic quinoa is guaranteed to be a great addition to your kitchen, whether...
Squash Seeds - Summer - Summerpac F1
Summerpac F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 47 days to maturity. A Hybrid crookneck which is very smooth with no warts. Approximately 250 Seeds / Ounce....
Radish Seeds - Pink Summercicle
32-40 Days to maturity. Raphanus sativus. Pink Summercicle Radish Seeds. Non-GMO, annual, open-pollinated, heirloom, slow bolting, spring radish. Pink Summercicle (Shunkyo Semi-Long) is known for its delightful spicy flavor paired...
Squash Seeds - Winter - Lungo de Napoli
Lungo de Napoli Winter Squash Seeds. 100 days to maturity. Cucurbita moschata. Annual. Heirloom. Large oblong-butternut shaped fruit can weigh 20-35 lb The flesh is bright orange flavor is superb...
Melon Seeds - Honeydew - Orange Flesh (Organic)
105 Days to maturity. Cucumis melo. Organic Orange Flesh Honeydew Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant Honeydew Melon. Suitable for growing in containers, garden plots, raised beds,...
Sunflower Seeds - Goldie (Organic)
75 Days to maturity. Helianthus annuus. Goldie Organic F1 Hybrid Sunflower Seeds: Non-GMO. Organic. Ornamental. Annual. Goldie is feathery and unique hybrid sunflower that looks like pompoms of sunshine! If...
Millet Seeds - Japanese
Echinochloa esculenta. Japanese Millet is warm season grass that is grown primarily for forage, wildlife habitat and of course is a favorite bird food. Can tolerate wet soils once established....
Watermelon Seeds - Icebox - Early Crimson Treat
70 Days to maturity. Citrullus lanatus. Early Crimson Treat Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, icebox watermelon. Early Crimson Treat Watermelon Seeds. Both light and dark green...
Squash Seeds - Winter - Sweet Keeper
110 Days to maturity. Cucurbita maxima. Sweet Keeper Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to common...
Melon Seeds - Cantaloupe - Rocky Ford Green Flesh
89 Days to maturity. Cucumis melo. Rocky Ford Green Flesh Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised beds,...
Watermelon Seeds - Picnic - Cal Sweet Supreme
90 Days to maturity. Citrullus lanatus. Cal Sweet Supreme Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, Picnic watermelon. Cal Sweet Supreme Watermelon fruits typically weigh 30-35 pounds. Flesh...
Radish Seeds - Crayon Colors Mix
Crayon Colors Radish Seeds. Non-GMO, Heirloom garden seeds. Raphanus sativus. 30 days. A mixture of primary colors that paints a wonderful palette in your garden. Download Free Vegetable Growing Guide...
Amaranth Seeds - Red Army
Red Army Amaranth Seeds. Non-GMO. Heirloom. Microgreen and Garden Seeds. Amaranthus cruentus. AKA: Blood Amaranth, Princes Feather, or Mexican Grain Amaranth. 100-130 days. Red Army amaranth is a darker and...
Carrot Seeds - Lunar White (Organic)
Daucus carota. (60 days)Creamy moon-white carrots just glow in a salad or on the market stand. People just can't get over the novelty of a white carrot, but in fact...
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