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]()
Radish Seeds - Sparkler
Non-GMO, Heirloom Sparkler Radish Seeds. This fast cool season crop is a delight with its pretty red skin that changes to white at the tip. Matures in 25 to 30...
Corn Seeds - Sweet - Jubilee Hybrid
80-89 Days to maturity. Zea mays. Jubilee Hybrid Corn Seeds. Non-GMO, annual, hybrid, Sweet Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone regions....
Carrot Seeds - Kyoto Red
70 to 90 Days to maturity. Daucus carota. Kyoto Red - Carrot Seeds. Cool Season Annual, Heirloom. Kyoto Red carrot is a Japanese traditional heirloom vegetable, dento yasai, grown in...
Watermelon Seeds - Picnic - Charleston Grey
87 Days to maturity. Citrullus lanatus. Charleston Grey Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, Picnic watermelon. Resistant to Anthracnose, Fusarium Wilt. Charleston Grey watermelon was introduced...
Carrot Seeds - Royal Chantenay
65-70 days. Royal Chantenay Carrot Seeds. Daucus carota subsp. sativus. Non-GMO. Heirloom. From the Chantenay region of France, Chantenay is an old-world favorite grown for denser, stubbier roots. A 19th...
Melon Seeds - Honeydew - Green Flesh (Organic)
105 Days to maturity. Cucumis melo. Organic Green Flesh Honeydew Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Honeydew Melon. Suitable for growing in containers, garden plots, raised beds, and...
Beet Seeds - Cylindra - Organic
(60 days) This beet dates back to the 1880s. Also known as the "Formanova". Dark red, cylindrical and about 6-9"s long. This is not your typical beet as it is...
Radish Seeds - Korean - Bora King - Hybrid
60 days to maturity. Raphanus sativus. Bora King Hybrid Korean Radish Seeds. Cool season annual. Bora King radishes live up to their royal name by being a gorgeous purple all...
Sunflower Seeds - Ring of Fire
90-110 Days to maturity. Helianthus annuus. Organic Ring of Fire Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Ring of Fire sunflower seeds are an easy and award-winning grow for invigorating...
Zucchini Seeds - Caserta
Cucurbita pepo (65 days) An early bush cocozelle zucchini that produces huge yields of 16" fruit. Much better eaten at the 6-8" size. Zucchini Seeds - Caserta Light green skin...
Watermelon Seeds - Picnic - Cal Sweet
90 Days to maturity. Citrullus lanatus. Cal Sweet Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, Picnic watermelon. Cal Sweet Watermelon fruits typically weigh 20 to 25 pounds with...
Bean Seeds - Bush - Cannellini (Organic)
75-85 Days to maturity. Phaseolus vulgaris. Organic Cannellini Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bush shelling bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. Sometimes...
Sunflower Seeds - Teddy Bear
50-65 Days to maturity. Helianthus annuus. Teddy Bear Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Teddy Bear sunflower seeds grow one of the most unique, lush, and brilliant blooms of...
Watermelon Seeds - Mini - Cal Sweet Bush AAS
90 Days to maturity. Citrullus lanatus. Cal Sweet Bush AAS Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, Mini watermelon. Suitable for growing in garden plots and large containers...
Bean Seeds - Bush - Contender (Organic)
50-65 Days to maturity. Phaseolus vulgaris. Organic Contender Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high yielding, heat tolerant, bush, snap, stringless bean. Suitable for growing in containers, garden plots,...
Squash Seeds - Costata Romanesco Zucchini
Cucurbita pepo (52 days) A sought-after Italian heirloom grown around Rome for years. The zucchini is grey-green, has fluted edges or ribs. When cut these fluted edges give them a...
Watermelon Seeds - Picnic - Moon & Stars Yellow Flesh
90-95 Days to maturity. Citrullus lanatus. Moon & Stars Yellow Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. First mentioned around...
Corn Seeds - Popcorn - Japanese Hulless
86 Days to maturity. Zea mays. Japanese Hulless Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Pop Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and drought-prone...
Beet Seeds - Bulls Blood - Organic
55 days. Certified Organic Bull's Blood Beet Garden Seed. Bull's Blood Beet Seeds have been known to grow well in containers, flowerbed borders, and cottage gardens. Plants grow to be...
Watermelon Seeds - Picnic - All Sweet
90-105 Days to maturity. Citrullus lanatus. All Sweet Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. Resistant to Anthracnose (1), Fusarium...
Squash Seeds - Korean, Summer - King Ka Ae -...
Squash Seeds - Korean, Summer - King Ka Ae - Hybrid. Non-GMO. Cucurbita moschata. 55-70 days to maturity after transplanting. Warm season annual. Excellent tasty Korean summer squash. Fruits have...
Melon Seeds - Cantaloupe - Honey Rock
80 Days to maturity. Cucumis melo. Honey Rock Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, AAS winner, heat tolerant, Cantaloupe Melon. Suitable for growing in containers, garden plots, raised...
Squash Seeds - Summer - Scallop Yellow Bush (Organic)
49 days to maturity. Cucurbita pepo. Organic Scallop Yellow Bush Summer Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, organic. This is suitable for growing in fields, containers, garden plots, raised beds,...
Bean Seeds - Pole - Yu Long Noodle Kin Yard...
65-75 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Yu Long Noodle Kin Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heat-tolerant, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in...
Carrot Seeds - Little Fingers - Organic
(65 days) Little Fingers baby gourmet carrot has tiny tender 3- 5" roots; 1/2 inch thick; golden orange, sweet and crisp. A perfect Nantes type carrot for munching or salads....
Radish Seeds - German Giant
A customer favorite, Non- GMO German Giant Radish is reliable and large. Ready in 30 day, this variety is known for its size and can become as large as a...
Melon Seeds - Charentais (Organic)
90 Days to maturity. Cucumis melo var. inodorus. Organic Charentais Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, heat-tolerant specialty melon. Suitable for growing in containers, garden plots, raised beds,...
Carrot Seeds - Bambino (Organic)
Bambino. Carrot. Daucus carota. 54-63 days. Organic. Non-GMO. Annual. Organic Bambino carrot is considered a gourmet variety, reaching its peak of flavor at about 4-5 inches long. Bambino earns its...
Sunflower Seeds - Red Sun
90-110 Days to maturity. Helianthus annuus. Red Sun Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. Heirloom. Red Sun seeds grow one of the summer's rarest and most unique blooms, stunning...
Bean Seeds - Bush - Light Red Kidney (Organic)
85-95 Days to maturity. Phaseolus vulgaris. Organic Light Red Kidney Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bush, shelling bean. Suitable for growing in containers, garden plots, raised beds, and...
Corn Seeds - Flint - Hopi Blue (Organic)
100 Days to maturity. Zea mays. Blue Hopi Organic Corn Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, Flint and Flour Corn. Suitable for growing in garden plots or raised beds. Corn...
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