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Frost dates for Tulsa, Oklahoma

In a typical year, Tulsa’s last spring frost lands around Mar 30 and the first fall frost around Nov 4, a growing season of about 219 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7b.

Right now the growing season is open, with about 10 days until the typical first fall frost.

Last spring frost and first fall frost odds for Tulsa, Oklahoma
OddsLast spring frostFirst fall frost
10 percentMar 10Oct 21
50 percentMar 30Nov 4
90 percentApr 17Nov 20

A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.

Soil in Tulsa is typically around 60°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

See what is plantable in your ZIP with the what-to-plant lookup.

Common questions

When is the last frost in Tulsa, Oklahoma?

Tulsa’s last spring frost falls around March 30 in a typical year. One year in ten it is done by March 10, and one year in ten frost holds on until April 17. Frost-sensitive planting usually waits for the late side of that band.

When is the first fall frost in Tulsa?

The first fall frost arrives around November 4 in a typical year, as early as October 21 in an early year and as late as November 20 in a late one.

How long is the growing season in Tulsa?

About 219 days, counted between the typical last spring frost and the typical first fall frost.

What USDA zone is Tulsa in?

Tulsa is in USDA hardiness zone 7b under the 2023 USDA Plant Hardiness Zone Map.

Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.

Nearby cities

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