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Waltham Butternut Squash, Cucurbita moschata

Waltham Butternut Squash, Cucurbita moschata

Light                    Full Sun
Plant Depth          1/2-1" inches
Seedling Rate       2-3 seeds every 18-36", thin to 1 plant
Plant Spacing       18-24” inches
Days to Mature    105 days

 

 

When to Sow

Days to maturity are from direct seeding, subtract 2 weeks if transplanting. Winter squash has a long season, requiring 90-120 frost free days to reach maturity, so it is usually transplanted in northern climates. It can also be direct seeded once danger of frost has passed and soil temperatures reach 70°F. Start transplants indoors 3-4 weeks before last risk of frost. Optimal soil temperature for germination is 85-95°F.

Harvest 

Harvest when fruits are full size and have a deep rich color and hard rinds that can’t be easily dented with a finger nail. Changing color of the “ground spot” from yellow to cream, gold or orange is another general indicator of ripeness. To harvest, cut stem at least 2” from the fruit: a short or broken stem can lead to rot. 

Special Features 

Winter squashes (Cucurbita spp.) are warm season tender annuals in the Cucurbitiacea family, which includes cucumbers, summer squash, melons, and gourds.

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