St Clare Heirloom Seeds - Heirloom and Open-Pollinated Garden Vegetable Garden Seeds
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St. Clare Heirloom Seeds
Specializing in Non-GMO, Non-Hybrid, Non-Treated Heirloom and
Open Pollinated Vegetable, Flower, and Herb Garden Seeds
St. Clare Heirloom Seeds - Heirloom Open Pollinated Vegetable Garden Seeds.

Planting & Growing Instructions for
Heirloom / Open Pollinated
Winter Squash

(Cucurbitaceae)

Heirloom / Open Pollinated Winter Squash is a warm season crop, sensitive to frost and light freezes. Start Heirloom / Open Pollinated Winter Squash indoors 3-4 wks. before last frost date or direct seed outdoors after danger of frost. Plant Winter Squash in full sun. To direct seed, plant 6-8 seeds 1" deep in 1' diameter hills, thinning to 3 or 4 plants at the set of true leaves. Or plant Winter Squash Seeds in rows 1" deep, 2' apart. Keep rows and hills 6' apart. Germination should occur in 5-10 days at 65-85°F. Keep soil just-damp during germination, or seeds may rot. Harvest when Winter Squash rind has hardened and finger nail requires pressure to pierce rind. Leave 2-3" stem on when cutting from plant for longer storage.





We thank you for visiting our site, and hope you will be pleased with your purchase. We strive to bring you the highest quality heirloom and open-pollinated garden vegetable seeds, non-hybrid, non-genetically modified (non-GMO), and completely untreated with unhealthy chemicals. That is our pledge to you our valued customer, we will never knowingly buy or sell genetically modified (GMO) or hybrid seeds. We work very hard to ensure that you can have confidence knowing that the seeds your heirloom open-pollinated plants create will give you the same heirloom open-pollinated vegetable variety next season (when given proper isolation from cross-pollination of course!), and that they will be pure, healthy vegetable garden seeds! Happy Gardening!