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]()
Squash Seeds - Winter - Pilgrim F1
Pilgrim F1 Hybrid Squash Seeds. Cucurbita moschata. F1 Hybrid. Non-GMO. Annual. 80 days to maturity. This hybrid butternut squash performs well under a wide variety of growing conditions and has...
Squash Seeds - Winter - Hubbard White
90 days to maturity. Cucurbita maxima. Hubbard White Winter Squash Seeds.Non-GMO, annual, heirloom, open-pollinated. Suitable for growing in fields, garden plots, and raised beds. Classic white-skinned Hubbard with thick, bumpy...
Squash Seeds - Winter - Triamble
105 days to maturity. Cucurbita maxima. Triamble Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated. Suitable for growing in fields, garden plots, and raised beds. An unusually beautiful Australian heirloom with...
Squash Seeds - Winter - Table Princess F1 PMT
Table Princess F1 PMT Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 70 days to maturity. Table Princess F1 has a semi-bush habit, making it possible to plant in...
Squash Seeds - Winter - Gold Nugget - Organic
Organic Gold Nugget Winter Squash Seeds. 75 - 95 days to maturity. Can be grown in containers. Cucurbita maxima. Heirloom, Non-GMO, Annual. Early compact runnerless plant with a Buttercup shape....
Squash Seeds - Winter - American Tondo
100 days to maturity. Cucurbita pepo. American Tondo Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated. This is suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Italian...
Squash Seeds - Winter - Big Chief Hybrid
110 days to maturity. Cucurbita moschata. Big Chief Hybrid Butternut Winter Squash Seeds. Non-GMO, annual, F1 hybrid. This is suitable for growing in fields, garden plots, raised beds, and containers....
Squash Seeds - Winter - Guatemalan Blue
90 to 110 days to maturity. Cucurbita maxima. Guatemalan Blue Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated. Suitable for growing in fields, garden plots, raised beds, and containers. Striking blue-skinned...
Squash Seeds - Winter - Pinata F1 PMT
Pinata F1 PMT Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 85 days to maturity. This winter squash will truly become a fast favorite in your house. Pinata F1...
Gourd Seeds - Small Warted Mix
60+ Days to maturity. Cucurbita sp. Small Warted Mixed Gourd Vegetable Seeds. Non-GMO, annual, open-pollinated gourd seeds. A collection of different shapes and colors of ornamentals gourds, mostly under 1...
Squash Seeds - Winter - Amish Pie (Organic)
100 days to maturity. Cucurbita maxima. Organic Amish Pie Winter Squash Seeds. Non-GMO, annual, heirloom, organic, open-pollinated. This is suitable for growing in fields, containers, garden plots, raised beds, and...
Squash Seeds - Winter - Cushaw Orange Striped
Cushaw Orange Striped Winter Squash Seeds. 110 days to maturity. Cucurbita mixta. Annual. Heirloom. The cushaw varieties are commonly referred to as both squash and pumpkins. Approximately 175 seeds/ounce. Squash...
Squash Seeds - Winter - Chieftain Hybrid
80 days to maturity. Cucurbita moschata. Chieftain Hybrid Winter Squash Seeds. Non-GMO, annual, F1 hybrid. This is suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Early...
Squash Seeds - Winter - Bugle
80 Days to maturity. Cucurbita maxima. Bugle Winter Squash Seeds. Non-GMO, open-pollinated, heirloom. Suitable for growing in fields, garden plots, and raised beds. This French heirloom produces a beautifully shaped...
Squash Seeds - Winter - Fordhook Acorn (Organic)
80-120 Days to maturity. Cucurbita pepo. Fordhook Acorn (Organic) Winter Squash Seeds. Non-GMO, annual, organic, open-pollinated heirloom. Suitable for growing in fields, garden plots, raised beds, and greenhouses. Resistant to...
Squash Seeds - Winter - Indian Brave F1
Indian Brave F1 Hybrid Squash Seeds. Cucurbita moschata. F1 Hybrid. Non-GMO. Annual. 85 days to maturity. Many of our customers have been requesting a larger vining hybrid butternut that is...
Squash Seeds - Winter - Burgess Buttercup (Organic)
95 days to maturity. Cucurbita maxima. Organic Burgess Buttercup Winter Squash Seeds. Non-GMO, annual, heirloom, open-pollinated. This is suitable for growing in fields, garden plots, and raised beds. Classic buttercup...
Squash Seeds - Winter - Hubbard Essex Red
110 Days to maturity. Cucurbita maxima. Hubbard Essex Red Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Hubbard Essex...
Squash Seeds - Winter - Sugaretti F1 AAS
Sugaretti F1 AAS Hybrid Squash Seeds. Cucurbita pepo. F1 Hybrid. Non-GMO. Annual. 90 days to maturity from seed. 2017 AAS Regional Winner. Winter Squash Sugaretti F1 prolifically produces a generous...
Squash Seeds - Winter - Triamble (Organic)
105 days to maturity. Cucurbita maxima. Organic Triamble Winter Squash Seeds. Non-GMO, annual, organic, heirloom, open-pollinated. Suitable for growing in fields, garden plots, and raised beds. An unusually beautiful Australian...
Squash Seeds - Winter - Hubbard Anna Swartz
Hubbard Anna Swartz Winter Squash Seeds. 90 - 100 days to maturity. Cucurbita maxima. Annual. Heirloom. A family heirloom was given to Anna Swartz by a friend in the 1950's....
Squash Seeds - Winter - Moore Gold
100 Days to maturity. Cucurbita maxima. Moore Gold Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to common...
Squash Seeds - Winter - Zao Feng Hybrid
95-105 Days to maturity. Cucurbita maxima x Cucurbita moschata. Zao Feng Hybrid Squash Seeds. Non-GMO, annual, F1 hybrid. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses....
Squash Seeds - Winter - New Zealand Blue
110 Days to maturity. Cucurbita maxima. New Zealand Blue Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. New Zealand...
Squash Seeds - Winter - Blue Banana
80-120 Days to maturity. Cucurbita maxima. Winter Blue Banana Squash Seeds. Non-GMO, annual, open-pollinated. A rare heirloom winter squash, Blue Banana produces large, elongated fruits averaging 18–24 inches long and...
Squash Seeds - Winter - Mini Magic F1 Blend
Mini Magic F1 Blend Hybrid Squash Seeds. Cucurbita maxima. F1 Hybrid. Non-GMO. Annual. 100 days to maturity. Mini Magic is a component blend of 3 miniature Hubbard squash. All varieties...
Squash Seeds - Winter - Strawberry Crown
Strawberry Crown Winter Squash Seeds. 110 days to maturity. Cucurbita maxima. Heirloom, Annual. Originated from Brazil. Strawberry Crown is a beautiful winter squash with excellent color and delicious qualities. About...
Squash Seeds - Winter - Sibley
110 Days to maturity. Cucurbita maxima. Sibley Winter Squash Seeds. Non-GMO, annual, open-pollinated, heirloom. Suitable for growing in fields, containers, garden plots, raised beds, and greenhouses. Resistant to common storage...
Squash Seeds - Japanese, Winter - Shishigatani
Squash Seeds - Japanese, Winter - Shishigatani. Heirloom, Non-GMO. Cucurbita moschata. 110 days to maturity. Warm season annual. Since the Edo period of the early 1800s, this special Japanese pumpkin...
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