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Waltham Butternut Squash (C. moschata)

In this Plant Profile, get specific details, including the characteristics and best uses of Waltham Butternut squash, one of our Plant Profiles featured in our Winter Squash Collection.

Waltham Butternut Squash

Waltham Butternut Squash

Waltham Butternut squash is an All-America Selections (AAS) winner, considered the gold standard for large butternut squash. The large fruits have thick, straight necks and small seed cavities. The flesh is smooth and sweet, and the flavor only improves after a couple months of storage. Mature fruits can weigh up to 6 pounds.

Sun Exposure

  • full sun

Soil pH

  • 6.0 to 6.8

Hardiness Zones

  • 2 to 9


  • 8 to 10 feet apart


  • at least 1 inch per week


  • Mild and sweet flavor
  • 4 to 5 foot spread
  • 85 to 105 days to maturity, depending on your seed source

Do you grow Waltham Butternut squash? If so, please tell us your top tips for ensuring a delicious harvest.


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