When to plant in Chickasha, OK
USDA Zone 7bChickasha, Oklahoma frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7b, Chickasha supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
CHICKASHA EXP STATION · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Chickasha’s own odds, recorded at CHICKASHA EXP STATION.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 28 | Apr 14 | Mar 31 | Oct 9 | Oct 23 | Nov 6 |
| 32°F | Apr 20 | Apr 4 | Mar 20 | Oct 18 | Nov 1 | Nov 15 |
| 28°F | Apr 8 | Mar 24 | Mar 4 | Oct 25 | Nov 8 | Nov 26 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Chickasha, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Chickasha planting FAQ
When is the last spring frost in Chickasha, OK?
Plan for the last spring frost in Chickasha around April 4 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Chickasha, OK?
Expect Chickasha's first fall frost near November 1 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Chickasha in?
Chickasha is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Chickasha?
Chickasha has about 211 frost-free days — a long growing season — between the average last spring frost (April 4) and first fall frost (November 1).
When should I plant tomatoes in Chickasha?
For Chickasha, sow tomatoes indoors about February 7–February 21 and move the seedlings out around April 11, after the last spring frost.
Never miss a window in Chickasha
An email when it’s time to start seeds, transplant, and sow — timed to Chickasha’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at CHICKASHA EXP STATION, 3 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Chickasha, OK — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00341750. Retrieved from https://blissgarden.com/oklahoma/chickasha.