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]()
Aquadulce Fava Bean - Cover Crop Seeds
80 Days. Vicia faba. Cover Crop. Heirloom. Open-Pollinated. Non-GMO Aquadulce fava bean cover crop seeds grow a versatile, restorative, and delicious garden vegetable able to be grown in both spring...
Melon Seeds - Cantaloupe - Planters Jumbo
80-90 Days to maturity. Cucumis melo. Planters Jumbo Cantaloupe Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Watermelon Seeds - Giant - Black Diamond Yellow Belly
90 - 95 Days to maturity. Citrullus lanatus. Black Diamond Yellow Belly Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, giant watermelon. This watermelon has red flesh with a...
Chard Seeds - Japanese Umaina
50-60 Days to maturity. Beta vulgaris var. cicla. Chard Seeds - Japanese Umaina. Non-GMO Annual Heirloom. This tender Japanese variety has beautiful broad, slightly wrinkled leaves with short midribs. It...
Squash Seeds - Winter - Bush Delicata (Organic)
80 to 100 days to maturity. Cucurbita pepo. Organic Bush Delicata Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated, AAS 2002. This is suitable for growing in fields, garden plots, raised...
Millet Seeds - German Golden
German Golden Millet Seed This particular strain has been around for some time, but the first time we can document being sold as seed was in 1889. Super popular in...
Crunchy Lentil Fest (Organic) - Bulk Grains
This Organic lentil salad mix includes: Green Lentils, Red Lentils & French Lentils. Great for sprout salads & soups. Available in several quantities in resealable packaging. One of our most...
Oat Seeds - Montezuma
Montezuma Oat seeds Montezuma oats were released in 1967 in California. This oat has a medium height, very good lodging and shattering resistance. Very strong straw. Excellent for forage in...
Beet Seeds - Ruby Queen (Organic)
50-55 Days to maturity. Beta vulgaris. Organic Ruby Queen Beet Seeds. Non-GMO, cool weather annual, organic, heirloom, open-pollinated, AAS winner 1957. This delicious multi-use beet can be used for the...
Melon Seeds - Honeydew - Earli-Dew Hybrid
80 Days to maturity. Cucumis melo. Earli Dew Hybrid Honeydew Melon Seeds. A non-GMO, annual, F1 hybrid, heat tolerant, Honeydew Melon. Suitable for growing in garden plots, raised beds, and...
Radish Seeds - Halloween Mix
Halloween Mix Radish Seeds. 20 - 30 days to maturity. Can be grown in containers. Raphanus sativus. Open Pollinated. Annual. Halloween Mix contains purple yellow black and white radishes. Approximately...
Bean Seeds - Bush - Contender (Treated)
50-65 Days to maturity. Phaseolus vulgaris. Contender Bush Treated 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 - Summer - Amberpic Hybrid
42 days to maturity. Cucurbita pepo. Amberpic Hybrid Summer Squash Seeds. Non-GMO, annual, hybrid. This is suitable for fields, containers, garden plots, raised beds, and greenhouses. Early straightneck that sets...
Radish Seeds - Korean - Alpine Gold - Hybrid
60 days to maturity. Raphanus sativus. Alpine Gold Korean Radish Seeds. Hybrid, cool season annual, open pollinated. Alpine Gold radishes are a clean, crisp variety with smooth and polished roots....
Corn Seeds - Golden Bantam 8
75-85 Days to maturity. Zea mays. Golden Bantam 8 Corn Seeds. Non-GMO, annual, open-pollinated, heirloom, Sweet Corn. Golden Bantam 8, a classic heirloom variety, is a testament to its rich...
Beet Seeds - Detroit Mix - Organic
60 days. Heirloom, Non-GMO. Certified Organic. This mix of Detroit Red and Golden Beet seeds will make for a colorful and tasty harvest with all the warm shades of summer....
Melon Seeds - Collective Farm Woman
83 Days to maturity. Cucumis melo. Collective Farm Woman Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant specialty Melon. Suitable for growing in containers, garden plots, raised beds, and greenhouses....
Bean Seeds - Bush - Phenomenal (Cowpeas)
60-70 Days to maturity. Vigna unguiculata. Phenomenal Cowpea Bean Seeds. Non-GMO, annual, open-pollinated, high-yielding, bush, shelling bean (cowpea). Drought and heat resistant. Suitable for growing in containers, garden plots, raised...
Watermelon Seeds - Picnic - Mountain Sweet
85-100 Days to maturity. Citrullus lanatus. Mountain Sweet Yellow Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. 2004 Seed Saver Inventory...
Melon Seeds - Banana
80-100 Days to maturity. Cucumis melo. Banana Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Melon. Suitable for growing in garden plots, raised beds, and greenhouses. These unique melons got...
Radish Seeds - Chinese - Green Meat Luobo
60 Days to maturity. Raphanus sativus. Green Meat Luobo Chinese Radish Heirloom Seeds. Cool Season Annual. Unlike other Chinese radishes, Green Luobos aren’t globe-shaped—instead, they grow as big as 10”...
Red Lentils (Organic) - Bulk Grains
These Red Lentils are great for sprouting, soups, and food storage. Our Red Lentils come in resealable packaging and are tested for microbes. Available in various quantities and in resealable...
Carrot Seeds - Parisian - Organic
(55 days) A great little round carrot that is a nineteenth-century French heirloom. Organic Parisian is an early orange-red carrot that grows almost more like the shape of a large...
Beet Seeds - Lutz Green Leaf
Beta vugaris (70 days) Lutz Green Leaf is known for its long standing storage capabilities. Also known by many as "winterkeeper" beets. Lutz has roots that are about 6" in...
Watermelon Seeds - Picnic - AU Producer
85 Days to maturity. Citrullus lanatus. AU Producer Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. Originally bred in Alabama, in...
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....
Squash Seeds - Winter - Pink Banana Jumbo (Organic)
Organic Pink Banana Winter Squash is excellent for storing and is ready in 115 days. Recommended by OSU, Mexican Banana Squash produces pink-orange skin with sweet yellow-orange, fine-grained flesh. Plymouth...
Melon Seeds - Cantaloupe - Honey Rock (Organic)
80 Days to maturity. Cucumis melo. Organic Honey Rock Cantaloupe Melon Seeds. A non-GMO, annual, organic, open-pollinated, heirloom, AAS winner, heat-tolerant Cantaloupe Melon. Suitable for growing in containers, garden plots,...
Quinoa Seeds - Red Head Quinoa - Organic
Frank Morton first selected this quinoa from some original South American introductions of the mid-1980s. Red Head is a sturdy high yielding strain with bright pinkish red seed heads. Quinoa...
Squash Seeds - Winter - Sunshine Hybrid
Hybrid Sunshine Winter Squash is a kabocha squash that out-shines other varieties in side-by-side trials across North America. Sunshine is ready in 95 to 100 days. Hybrid Sunshine Squash has...
Flax Seeds - Golden
Golden Flax 1 oz package (covers aproximately 100 sq. ft.) 45 lb/acre or 1-2 lb per 1,000 sq. ft at 1 deep or less, a drill is preferred method of...
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