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Burgess Buttercup Winter Squash Seed
Sow winter squash seeds in the garden-or set out seedlings started indoors-only after the soil has warmed to at least 60°F, usually no sooner than 3 weeks after the last frost in spring.
Winter squashes grow best in air temperatures ranging from 50° to 90°F; established fruit will ripen in temperatures as high as 100°F but flowers will drop in high temperatures. Winter squash require 60 to 110 days to reach harvest.
Plant squash in full sun. Grow squash in loose, well-drained soil rich in organic matter. Prepare planting beds in advance working in plenty of aged compost. Add aged manure to planting beds the autumn before growing squash.
Squash prefers a soil pH of 5.5 to 6.8. Winter squashes will sprawl and require ample space; if space is tight train them over small A-frame or up a trellis as tall as 5 to 8 feet. Reference: harvestwizard.