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 - Cantaloupe - Edisto 47
85 Days to maturity. Cucumis melo. Edisto 47 Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, humidity-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and greenhouses....
Bean Seeds - Pole - Purple Moon Hyacinth
90 Days to maturity. Lablab purpureus. Purple Moon Hyacinth Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, drought tolerant, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden...
Swiss Chard Seeds - Pink Lipstick
60 days. Pink Lipstick Swiss Chard is named after the bright pink hue of its stems and veins. Plants grow green delicious leaves that can be used as bitter and...
Radish Seeds - German Giant - Organic
Raphanus R. sativus. (29 days) They call these radishes Giant for a reason! Delicious when they are the size of a quarter, but they can grow as large as a...
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....
Sunflower Seeds - Skyscraper (Organic)
80 Days to maturity. Helianthus annuus. Organic Skyscraper Sunflower Seeds: Non-GMO. Open Pollinated. Ornamental. Annual. The skyscraper sunflower is beautiful and grows 12 feet tall with long, strong stalks holding...
Watermelon Seeds - Icebox - Hime Kansen Hybrid
95 Days to maturity. Citrullus vulgaris. Hime Kansen Hybrid Japanese Watermelon Seeds. Non-GMO, annual, hybrid, heat tolerant, seeded, icebox watermelon. Suitable for growing in garden plots. This Japanese watermelon is...
Squash Seeds - Summer - Trieste White Zucchini
Trieste White Zucchini Squash produces short fruits that are very pale green in color, and are tender and delicious. Non- GMO Half Long White Zucchini are early producers, produce on...
Carrot Seeds - Shin Kuroda 5"
Non-GMO, heirloom Shin Kuroda 5" Carrot Seeds from True Leaf Market are a variant of the Chantenay-type Shin Kuroda carrot developed in Japan. The roots grow to about 5" long...
Parsley Seeds - Hamburg Rooted
Non-GMO, Heirloom Hamburg Rooted Parsley Herb Garden Seed from True Leaf Market. Petroselinum crispum. This parsley is harvested for its root as a culinary herb. Cool perennial Parsley such as...
Squash Seeds - Summer - Golden Zucchini (Organic)
50 days to maturity. Cucurbita pepo. Organic Golden Zucchini Summer Squash Seeds. Non-GMO, annual, heirloom, open-pollinated. Suitable for growing in fields, garden plots, raised beds, and containers. Eye-catching golden fruits...
Beet Seeds - Green Top Bunching - Organic
(60 days) Green Top Bunching beets have flattened, globe-shaped roots. Beet roots are red and tasty. Perfect for cooking or pickling. Organic Green Top Bunching Beets Seeds Green top bunching...
Melon Seeds - Casaba - Bidwell
C. indorus (95 days) This melon originated just a few minutes away from us here in Chico, CA. Bidwell is named after John Bidwell, who was a general in the...
Bean Seeds - Pole - Shironata Mame Sword
80-90 Days to maturity. Canavalia gladiata. Shironata Mame Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Sprouting Seed Assortment - 12 Pack - Premeasured
The Organic Sprouting Seeds Variety Kit includes 12 pre-measured seed packs, a sprouting lid, and the full-color True Leaf Market Sprouting Guide—everything you need to grow a nutritious harvest of...
Nasturtium Seeds - Jewel Mix (Organic)
55-65 Days to Maturity. Tropaeolum majus. Organic Jewel Mix Nasturtium Flower Seeds. Non-GMO, organic, open-pollinated, heirloom flower. Annual in zones 2, 3, 4, 5, 6, 7, 8, 9, 10, 11....
Bean Seeds - Bush - Kentucky Wonder
50-65 Days to maturity. Phaseolus vulgaris. Kentucky Wonder Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, heat-tolerant, high-yielding, bush, snap green bean. Suitable for growing in containers, garden plots, raised beds,...
Squash Seeds - Summer - 49er F1
49er F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 50 days to maturity. Marketable as a baby squash or full-size fruit, 49er F1 is a delicious golden yellow...
Bean Seeds - Bush - Dragons Tongue Wax
60 Days to maturity. Phaseolus vulgaris. Dragon Tongue Bean Seeds. Non-GMO, annual, open-pollinated, bush, snap, wax, romano, bean. Suitable for growing in containers, garden plots, raised beds, and greenhouses. This...
Squash Seeds - Winter - Hubbard Blue - Organic
Organic Hubbard Blue Winter Squash Seeds. 100 - 120 days to maturity. Cucurbita maxima. Heirloom, Non-GMO, Annual. Fruits are slightly ridged and Blue-gray-green with a hard coarsely-warted shell. Hubbard Blue...
Watermelon Seeds - Picnic - Crimson Sweet Yellow (Organic)
80 Days to maturity. Citrullus lanatus. Crimson Sweet Yellow Organic Watermelon Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Organic Crimson Sweet Yellow watermelon is very similar...
Melon Seeds - Valencia Early
90 Days to maturity. Cucumis melo. Valencia Early Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant specialty Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Known for...
Wheat Seeds - Yamhill
Yamhill Wheat Grain Seeds. Soft White Winter Wheat. Heirloom. Non GMO. High Germination. Triticum aestivum. Yamhill winter wheat seeds were developed in Oregon in 1969 as a beardless, standard height,...
Squash Seeds - Winter - Amish Pie
80-120 Days to maturity. Cucurbita maxima. Amish Pie Winter Squash Seeds. Non-GMO, annual, organic, open-pollinated heirloom. This is suitable for growing in fields, containers, garden plots, raised beds, and greenhouses....
Corn Seeds - Dent - Ornamental - Bloody Butcher
110 Days to maturity. Zea mays. Bloody Butcher Ornamental Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Pearl Barley (Organic) - Bulk Grains
Pearl or pearled barley is whole barley that has had the bran partially removed. This results in a faster cooking time and pleasant texture. Pearl barley can be used in...
Bean Seeds - Pole - Blue Lake FM1K (Treated)
65 Days to maturity. Phaseolus vulgaris. Blue Lake Pole FM1K treated Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, drought-tolerant, pole, snap string bean. Suitable for growing in containers, garden plots,...
Parsley Seeds - Evergreen (Organic)
70-80 Days to maturity. Petroselinum crispum. Organic Evergreen Parsley Seeds. Non-GMO, annual, Organic, AAS Winner, open-pollinated. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Evergreen Parsley...
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