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 - Large White Ribbed
Large White Ribbed Swiss Chard Seeds. 55 - 60 days to maturity. Can be grown in containers. Can be grown as microgreens. Beta vulgaris. Open Pollinated. Annual. About 1,100 seeds/ounce....
Beet Seeds - Lutz Green Leaf - Organic
Beta vugaris(70 days) Lutz Green Leaf is known for its long standing storage capabilities. Also known by many as "winterkeeper" beets. Organic Lutz has roots that are about 6" in...
Hot Radish Seeds - Aka (Red) Karaine - Hybrid
60 days to maturity. Raphanus sativus. Aka (Red) Karaine Hot Radish Hybrid Seeds. Open-pollinated, non-GMO, cool season annual. Aka Red Karaine hot radishes are unique and eye-catching—which is probably why...
Squash Seeds - Winter - Cushaw White
80-120 Days to maturity. Cucurbita argyrosperma. Cushaw White Squash Seeds. Non-GMO, Cushaw White Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds,...
Melon Seeds - Japanese - New Melon
110-120 Days to maturity. Cucumis melo. Japanese New Melon Seeds. A non-GMO, annual, open-pollinated, heirloom, heat-tolerant Asian Melon. Suitable for growing in garden plots, raised beds, and greenhouses. Developed in...
Squash Seeds - Summer - Moonbeam F1
Moonbeam F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 45 days to maturity. This heavy yielding variety produces white pie shaped fruits with scalloped edges. ~ 250 Seeds...
Radish Seeds - Wakayama White
60 to 70 Days to maturity. Raphanus sativus. Wakayama White Radish Heirloom Seeds. Cool Season Annual. Wakayama White radishes come from the Wakayama Prefecture in Japan, as the name suggests....
Radish Seeds - Butter Globe
Butter Globe Radish Seeds. 24 days to maturity. Raphanus sativus. Heirloom, Annual. A 1918 The Great Northern Seed Company says this variety is not withstanding its immense size does not...
Basil Seeds - Treviso AAS
90 days. Ocimum basilicum. Basil Treviso AAS. Non-GMO, annual, Italian Genovese-type basil, All-America Selections National Winner. This crop is suitable for garden plots, raised beds, and containers. Treviso is a...
Sunflower Seeds - Classic Gold (Organic)
55-70 Days to maturity. Helianthus annuus. Classic Gold F1 Hybrid Organic Sunflower Seeds: Non-GMO. Ornamental. Annual. The classic sunflower that everyone knows, Sunflower Classic Gold is perfect as a cut...
Watermelon Seeds - Mini - Baby Doll Hybrid (Organic)
70-75 Days to maturity. Citrullus lanatus. Baby Doll F1 Hybrid Organic Watermelon Seeds. Non-GMO, annual, organic, hybrid, heat tolerant, seeded, mini watermelon. Suitable for growing in garden plots and large...
Bean Seeds - Bush - Bell Fava
90-200 Days to maturity. Vicia faba. Bell Fava Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, heat-tolerant, frost-tolerant, bush, shell, fava bean. Suitable for growing in containers, garden plots, raised beds,...
Squash Seeds - Summer - Ronde De Nice (Organic)
50-60 Days to maturity. Cucurbita pepo. Organic Ronde De Nice Squash Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Has...
Squash Seeds - Summer - Peter Pan F1
Peter Pan F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 50 days to maturity. Can be grown in containers. A miniature patty pan type that is meatier. Approx....
Flower Seeds Collection - Shades of Red & Purple
Selected for their romantic shades of pink to rich red and regal purple, this collection includes Tithonia, Alyssum, Corn Poppy, Zinnia, Petunia, and Geranium seeds. Plan your next flower garden...
Radish Seeds - Giant Luo Buo
Radish Seeds - Giant Luo Buo. Heirloom, Non-GMO. Raphanus sativus. 80-100 days. Cool season annual. This large oval white radish grows 8-10" long and 5-6" in diameter and is very...
Radish Seeds - Mino Early
Radish Seeds - Mino Early. Heirloom, Non-GMO. Raphanus sativus. 40-50 days. Cool season annual. Mino Early is a leading open pollinated radish (daikon) for summer to fall harvest in Japan....
Carrot Seeds - Thumbelina
60-70 Days to Maturity. Daucus carota var. sativus. Thumbelina Carrot Vegetable Seeds. Non-GMO, annual, open-pollinated, heirloom, 1992 AAS-winning carrot. This golf ball-sized round carrot is very sweet and thin-skinned. Ideal...
Squash Seeds - Summer - Total Eclipse Hybrid
49 days to maturity. Cucurbita pepo. Total Eclipse Hybrid Summer Squash Seeds. Non-GMO, annual, F1 hybrid. This is suitable for growing in fields, containers, garden plots, raised beds, and greenhouses....
Squash Seeds - Summer - Jasper F1
Jasper F1 Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 45 days to maturity. Early maturing. Jasper F1 is grown in a vigorous bush plant and sets a heavy...
Bean Seeds - Bush - Shinonome Soybean
80 Days to maturity. Glycine max. Shinonome Soybean Bean Seeds. Non-GMO, annual, open-pollinated, heirloom, high-yielding, bush, shell, soybean, Asian bean. Suitable for growing in containers, garden plots, raised beds, and...
Watermelon Seeds - Picnic - Legacy
85 Days to maturity. Citrullus lanatus. Legacy Watermelon Seeds. Non-GMO, annual, open-pollinated, heirloom, heat tolerant, seeded, picnic watermelon. Suitable for growing in garden plots. Excellent shelf life and a great...
Bean Seeds - Bush - Mardi Gras Mix (Organic)
85 Days to maturity. Phaseolus vulgaris. Organic Mardi Gras Mix Bush Bean Seeds. Non-GMO, annual, organic, open-pollinated, heirloom, bush, snap bean. Suitable for growing in containers, garden plots, raised beds,...
Parsley Seeds - Kitchen Garden Blend (Organic)
70-99 Days to maturity. Petroselinum crispum. Organic Kitchen Garden Blend Parsley Seeds. Non-GMO, annual, organic, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Organic...
Oats Seeds - Tesuque - Organic
Certified Organic Tesuque Oats - Whole, Husk On. Avena nuda. 100 to 120 days to full maturity. Non-GMO, Heirloom, Open Pollinated. Annual. Originally from Tesuque Pueblo, New Mexico. About 90...
Watermelon Seeds - Picnic - Sweet Princess (Organic)
Organic Sweet Princess Watermelon Seeds. 85 - 96 days to maturity. Citrullus lanatus. Heirloom, Non-GMO, Annual. ~ 400 Seeds/ounce. Download Free Vegetable Growing Guide PDF Watermelon Seeds - Sweet Princess...
Radish Seeds - White Icicle - Organic
Raphanus sativus (28 days) Was also know as "Icicle" or "Pearl Forcing" radish. Long radishes were once all the rage. Why have a small ball type radish when you could...
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