Explore LibraryStart free trial
← Plant Library

When to Plant Butternut Squash in Zone 6

In USDA zone 6, start seeds indoors around April 4, transplant or plant outdoors May 9 to August 22, and expect your first harvest around August 22.

Butternut Squash planting calendar for USDA Zone 6

🌱

Start seeds indoors

Apr 4

🌿

Transplant outdoors

May 9

🌾

Projected first harvest

Aug 22

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 6a — approximate

Butternut Squash is ready to harvest in about 105 days. Dates use USDA zone 6a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 6 means for butternut squash

Average last spring frost

April 25

Average first fall frost

October 10

Those two dates are what set the schedule above. Zone 6 gives you roughly 168 frost-free days, and butternut squash need about 105 days to mature.

Varieties to grow

1 variety of butternut squash in the HomeSown library. Tap any for its full grow guide.

🌱 Grow butternut squash with a calendar built for your exact yard

HomeSown turns your ZIP code into a personalized planting calendar, watering reminders, and pest help. Free to start.

Start your free garden →