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]()
Bean Seeds - Pole - Kurosanjaku Yard Long
70-90 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Kurosanjaku Yard Long Bean Seeds. Non-GMO, annual, open-pollinated, heat-tolerant, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden plots,...
Millet - Hulled (Organic)
Hulled millet has had the husk removed, and as such won't sprout well (below 10%). However hulled millet is ideal for grinding into millet flour, making into cereals or porridge,...
Melon Seeds - Cantaloupe - Hales Best 45 PMR
68-90 Days to maturity. Cucumis melo. Hale’s Best 45 PMR Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant, drought-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised...
Sunflower Seeds - Midnight Rouge
55-65 Days to maturity. Helianthus annuus ’Midnight Rouge’. Midnight Rouge Sunflower Seeds. Non-GMO, annual, open pollinated, heirloom, ornamental. Midnight Rouge seeds produce some of the most deeply colored and stunning...
Bean Seeds - Pole - Dark Green Yard Long
70 Days to maturity. Vigna unguiculata subsp. sesquipedalis. Dark Green Yard Long Bean Seeds. Non-GMO, annual, heat-tolerant, open-pollinated, heirloom, pole, snap, Asian, specialty bean. Suitable for growing in containers, garden...
Squash Seeds - Winter - Cushaw Orange
95-105 days. Cushaw Orange Winter Squash Seeds. Cucurbita argyrosperma. Annual. Non-GMO. Popularly known throughout the world as "Japanese pie pumpkin" and "cushaw pumpkin", the cushaw squash seed is native to...
Squash Seeds - Vermicelli F1
cucurbita pepo (90 days) Despite it's resemblance to the Italian pasta, Spaghetti squash originally originated in Japan. This squash gets its name from the pasta-like strands that come out of...
Squash Seeds - Table King Bush Acorn (Organic)
80 days to maturity. Cucurbita pepo. Organic Table King Bush Acorn Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, AAS winner 1974. Suitable for growing in fields, garden plots, raised beds,...
Watermelon Seeds - Picnic - Shiny Boy Hybrid (treated)
90 Days to maturity. Citrullus lanatus. Treated Shiny Boy Hybrid Watermelon Seeds. Non-GMO, annual, hybrid, heat-tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. 2010 Vegetable AAS Winner. Known...
Okra Seeds - Blondy
50 days. Blondy Okra Seeds - Non-GMO, Abelmoschus esculentus. Blondy is an AAS winning dwarf Okra great for short seasons. Named after its plentiful creamy light green spineless pods, this...
Okra Seeds - Lousiana Green Velvet
55-65 days. Louisiana Green Velvet Okra Seeds - Non-GMO, Heirloom, Abelmoschus esculentus. This 1941 AAS winner is large standing between 5 and 8 feet tall. It thrives in heat and...
Swiss Chard Seeds - Barese Dark Green Smooth Leaf
Barese Dark Green Smooth Leaf Swiss Chard Seeds. 28 Days to harvest. Non-GMO, heirloom, open pollinated seeds. Beta vulgaris ssp. cicla. AKA: Barese Swiss Chard. Italian variety. Barese Swiss Chard...
Corn Seeds - Dent - Boone County White
110-120 Days to maturity. Zea mays. Boone County White Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Dent Corn. Suitable for growing in garden plots or raised beds. Corn tolerates heat and...
Bean Seeds - Bush - Provider (Treated)
50-65 Days to maturity. Phaseolus vulgaris. Provider Bush Bean Treated Seeds. Non-GMO, annual, hybrid, open-pollinated, heirloom, high-yielding, heat-tolerant, bush, snap, green bean. Suitable for growing in containers, garden plots, raised...
Bean Seeds - Bush - Black Valentine
50-65 Days to maturity. Phaseolus vulgaris. Black Valentine Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom snap or shell bush bean. Suitable for growing in containers, garden plots, raised beds, and...
French Lentils (Organic) - Bulk Grains
French lentils, also known as lentilles vertes, are a variety of green lentils known for their ability to maintain their excellent consistency and flavor after cooking, particularly in soups and...
Quinoa (Organic) - Sprouting Seeds
Quinoa is a pseudo grain with many uses: sprouting, grinding into gluten free flour, cooked into a porridge or pilaf, toasted, & more. Available in several sizes from small to...
Radish Seeds - Red Daikon (Ostergruss Rosa)
30-45 days. Non-GMO, Heirloom. Red Daikon Radish Seeds (Ostergruss Rosa). Raphanus sativus. A tapered red radish measuring from 5 to 8 inches long. Bright white to pale rose, crisp flesh....
Radish Seeds - Korean - Fall Storage - Hybrid
60 to 65 days to maturity. Raphanus sativus. Fall Storage Korean Radish Seeds. Cool season hybrid annual. This Korean radish variety is known for its longevity; it can be stored...
Melon Seeds - Honeydew - Tam Dew
100 Days to maturity. Cucumis melo. Tam Dew Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat tolerant, Honeydew Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Resistant...
Melon Seeds - Cantaloupe - Golden Delicious
75 Days to maturity. Cucumis melo var. cantalupensis.. Golden Delicious Cantaloupe Melon Seeds. A non-GMO, annual, heirloom, open-pollinated, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Bean Seeds - Bush - Greencrop
50-65 Days to maturity. Phaseolus vulgaris. Greencrop Bush Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, AAS winner, high-yielding, heat-tolerant, bush, snap, romano, green bean. Suitable for growing in containers, garden plots,...
Mountain Valley Fruit Seeds
Open Pollinated NON-GMO Heirloom Fruit Seed Pack The best preparation is practice so Mountain Valley Seed Co. has developed the Grow and Store line to get you prepared and growing....
Broccoli Seeds - Purple Sprouting (Organic)
40 to 60 days. Annual. Non-GMO seeds. The Broccoli Raab, also known as Rapini, is more closely related to the turnip and mustard than actual broccoli. This annual crop can...
Melon Seeds - Cantaloupe - Hearts of Gold (Organic)
80-90 Days to maturity. Cucumis melo. Organic Hearts of Gold Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in garden plots, raised beds, and...
Squash Seeds - Winter - Long Island Cheese
Long Island Cheese Squash Seeds. 90 to 100 Days. Open Pollinated, Hierloom, Non-GMO, Winter Squash. Cucurbita moschata. AKA: Long Island Cheese Pumpkin. Download Free Vegetable Growing Guide PDF Squash Seeds...
Bean Seeds - Bush - Royal Burgundy (Organic)
50-65 Days to maturity. Phaseolus vulgaris. Organic Royal Burgundy Bush Bean Seeds. Non-GMO, annual, open-pollinated, organic, heirloom, high-yielding, bush, snap bean. Suitable for growing in containers, garden plots, raised beds,...
Corn Seeds - Popcorn - Rainbow Jewel
120 Days to maturity. Zea mays ’Rainbow Jewel Popcorn’. Rainbow Jewel Popcorn Corn Seeds. Non-GMO, warm weather hybrid annual. Rainbow Jewel Corn is a hybrid cross between a white popcorn...
Squash Seeds - Winter - Lakota (Organic)
80-120 Days to maturity. Cucurbita maxima . Organic Lakota Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to powdery...
Watermelon Seeds - Icebox - Bush Jubilee
90 Days to maturity. Citrullus lanatus. Bush Jubilee Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, Icebox watermelon. Vines spread 3-5 ft. Produces watermelons that are about 10-13 lbs....
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