Cushing, OK frost dates
How Cushing compares
- In 8 years out of 10, the last spring frost in Cushing falls between March 13 and April 17, a 35-day window. The first fall frost falls between October 20 and November 19.
- The median last frost is 3 days earlier than the Oklahoma median of Apr 4.
- Its 218-day growing season is longer than 76% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is 4 days earlier than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 76 nights a year at or below 32°F.
- Compared with Tulsa, OK, 72 km away, the last frost here is 1 day later than there and the growing season is the same length.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 13 |
| 50% (median) | April 1 |
| 10% (safe for tender plants) | April 17 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 20 |
| 50% (median) | November 5 |
| 90% (late) | November 19 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Cushing, OK
Cushing, OK frost dates — last frost Apr 1, first frost Nov 5, zone 7b. whenisthelastfrost.com
When to plant vegetables in Cushing, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 7 – Jan 21 | Mar 4 – Mar 18 | — | — |
| Peppers | Jan 21 – Feb 4 | Apr 15 – Apr 29 | — | — |
| Eggplant | Jan 21 – Feb 4 | Apr 15 – Apr 29 | — | — |
| Tomatoes | Feb 4 – Feb 18 | Apr 8 – Apr 22 | — | — |
| Lettuce | Feb 4 – Feb 18 | Mar 11 – Mar 25 | Mar 4 – Apr 8 | Sep 10 – Oct 8 |
| Kale | Feb 4 – Feb 18 | Mar 4 – Mar 18 | Mar 4 – Mar 18 | Aug 27 – Sep 17 |
| Broccoli | Feb 4 – Feb 18 | Mar 18 – Apr 1 | — | Jul 30 – Aug 20 |
| Cabbage | Feb 4 – Feb 18 | Mar 11 – Mar 25 | — | Jul 30 – Aug 20 |
| Cauliflower | Feb 4 – Feb 18 | Mar 18 – Apr 1 | — | Jul 30 – Aug 20 |
| Okra | Feb 18 – Mar 4 | Apr 22 – May 6 | Apr 22 – May 6 | — |
| Basil | Feb 18 – Mar 4 | Apr 8 – Apr 22 | — | — |
| Peas | — | — | Feb 18 – Mar 11 | Aug 13 – Sep 3 |
| Spinach | — | — | Feb 18 – Mar 11 | Sep 10 – Oct 1 |
| Radishes | — | — | Feb 25 – Apr 8 | Sep 24 – Oct 15 |
| Cucumbers | Mar 4 – Mar 11 | Apr 15 – Apr 22 | Apr 8 – Apr 22 | Aug 20 – Sep 3 |
| Zucchini & Summer Squash | Mar 4 – Mar 11 | — | Apr 8 – Apr 22 | Aug 27 – Sep 10 |
| Winter Squash & Pumpkins | Mar 4 – Mar 11 | — | Apr 8 – Apr 22 | — |
| Melons & Watermelon | Mar 4 – Mar 11 | Apr 15 – Apr 29 | — | — |
| Carrots | — | — | Mar 11 – Apr 8 | Aug 13 – Aug 27 |
| Beets | — | — | Mar 11 – Apr 8 | Aug 27 – Sep 10 |
| Potatoes | — | — | Mar 11 – Apr 1 | — |
| Swiss Chard | — | — | Mar 18 – Apr 15 | Aug 27 – Sep 10 |
| Cilantro | — | — | Mar 18 – Apr 8 | Sep 10 – Oct 1 |
| Green Beans | — | — | Apr 8 – Apr 29 | Aug 20 – Sep 3 |
| Sweet Corn | — | — | Apr 8 – Apr 22 | — |
| Sweet Potatoes | — | Apr 15 – May 6 | — | — |
| Garlic | — | — | — | Oct 22 – Nov 26 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Cushing, OK weather station, 2 km away (elevation 951 ft (290 m)).
Frost dates near Cushing
- Ripley Apr 1 · Nov 5
- Agra Apr 1 · Nov 5
- Yale Apr 1 · Nov 5
- Oilton Apr 6 · Oct 29
- Shamrock Apr 9 · Oct 25
- Drumright Apr 6 · Oct 29
- Tryon Apr 4 · Nov 2
- Perkins Apr 4 · Nov 2
- Jennings Apr 6 · Oct 29
- Stroud Apr 2 · Nov 2
Frequently asked questions
When is the last frost in Cushing, OK?
The median last spring frost in Cushing, OK is April 1. There is still about a 10% chance of frost after April 17, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Cushing, OK?
The median first fall frost is November 5, with about a 10% chance of frost before October 20.
How long is the growing season in Cushing, OK?
About 218 days between the median last spring frost and first fall frost.
What planting zone is Cushing, OK?
Cushing, OK is in USDA hardiness zone 7b.