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When to plant butternut squash in Oklahoma

Oklahoma spans USDA zones 6b–8a, so the right time to plant butternut squash shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 22 in Ardmore to April 25 in Guymon — below are local dates for 45 cities, each computed from its own frost dates.

In Oklahoma Citythe butternut squash direct sow window (April 11–April 25) has passed for this year.
CityZoneLast frostFirst frostDirect sow
Oklahoma City7bApril 4November 2April 11 – April 25
Tulsa7bMarch 31November 4April 7 – April 21
Norman7bApril 3November 3April 10 – April 24
Broken Arrow7bApril 1November 1April 8 – April 22
Edmond7bApril 10October 28April 17 – May 1
Lawton7bMarch 26November 7April 2 – April 16
Moore7bMarch 31November 5April 7 – April 21
Midwest City7bApril 2November 5April 9 – April 23

Butternut Squash in Oklahoma: FAQ

When can I plant butternut squash in Oklahoma?

Across Oklahoma, the time to direct-sow butternut squash spans roughly March 22 in Ardmore to April 25 in Guymon, each following that city's local frost dates.

Does the butternut squash planting date vary across Oklahoma?

Yes. Oklahoma publishes 45 cities with their own frost dates, so the right butternut squash planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.

How long does butternut squash take to grow in Oklahoma?

Butternut Squash takes about 90–110 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.

Planting reminders

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Butternut Squash planting guide →All Oklahoma cities →Oklahoma planting calendar →
When to Plant Butternut Squash in Oklahoma — Frost-Based Dates by City — BlissGarden