Sallisaw, OK frost dates
How Sallisaw compares
- In 8 years out of 10, the last spring frost in Sallisaw falls between March 10 and April 16, a 37-day window. The first fall frost falls between October 23 and November 26.
- The median last frost is 5 days earlier than the Oklahoma median of Apr 4.
- Its 222-day growing season is longer than 85% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is 6 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 67 nights a year at or below 32°F.
- Compared with Fort Smith, AR, 37 km away, the last frost here is 5 days later than there and the growing season is 4 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 10 |
| 50% (median) | March 30 |
| 10% (safe for tender plants) | April 16 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 23 |
| 50% (median) | November 7 |
| 90% (late) | November 26 |
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 Sallisaw, OK
Sallisaw, OK frost dates — last frost Mar 30, first frost Nov 7, zone 7b. whenisthelastfrost.com
When to plant vegetables in Sallisaw, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 5 – Jan 19 | Mar 2 – Mar 16 | — | — |
| Peppers | Jan 19 – Feb 2 | Apr 13 – Apr 27 | — | — |
| Eggplant | Jan 19 – Feb 2 | Apr 13 – Apr 27 | — | — |
| Tomatoes | Feb 2 – Feb 16 | Apr 6 – Apr 20 | — | — |
| Lettuce | Feb 2 – Feb 16 | Mar 9 – Mar 23 | Mar 2 – Apr 6 | Sep 12 – Oct 10 |
| Kale | Feb 2 – Feb 16 | Mar 2 – Mar 16 | Mar 2 – Mar 16 | Aug 29 – Sep 19 |
| Broccoli | Feb 2 – Feb 16 | Mar 16 – Mar 30 | — | Aug 1 – Aug 22 |
| Cabbage | Feb 2 – Feb 16 | Mar 9 – Mar 23 | — | Aug 1 – Aug 22 |
| Cauliflower | Feb 2 – Feb 16 | Mar 16 – Mar 30 | — | Aug 1 – Aug 22 |
| Okra | Feb 16 – Mar 2 | Apr 20 – May 4 | Apr 20 – May 4 | — |
| Basil | Feb 16 – Mar 2 | Apr 6 – Apr 20 | — | — |
| Peas | — | — | Feb 16 – Mar 9 | Aug 15 – Sep 5 |
| Spinach | — | — | Feb 16 – Mar 9 | Sep 12 – Oct 3 |
| Radishes | — | — | Feb 23 – Apr 6 | Sep 26 – Oct 17 |
| Cucumbers | Mar 2 – Mar 9 | Apr 13 – Apr 20 | Apr 6 – Apr 20 | Aug 22 – Sep 5 |
| Zucchini & Summer Squash | Mar 2 – Mar 9 | — | Apr 6 – Apr 20 | Aug 29 – Sep 12 |
| Winter Squash & Pumpkins | Mar 2 – Mar 9 | — | Apr 6 – Apr 20 | — |
| Melons & Watermelon | Mar 2 – Mar 9 | Apr 13 – Apr 27 | — | — |
| Carrots | — | — | Mar 9 – Apr 6 | Aug 15 – Aug 29 |
| Beets | — | — | Mar 9 – Apr 6 | Aug 29 – Sep 12 |
| Potatoes | — | — | Mar 9 – Mar 30 | — |
| Swiss Chard | — | — | Mar 16 – Apr 13 | Aug 29 – Sep 12 |
| Cilantro | — | — | Mar 16 – Apr 6 | Sep 12 – Oct 3 |
| Green Beans | — | — | Apr 6 – Apr 27 | Aug 22 – Sep 5 |
| Sweet Corn | — | — | Apr 6 – Apr 20 | — |
| Sweet Potatoes | — | Apr 13 – May 4 | — | — |
| Garlic | — | — | — | Oct 24 – Nov 28 |
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 Sallisaw 2 Nw, OK weather station, 4 km away (elevation 659 ft (201 m)).
Frost dates near Sallisaw
- Marble City Mar 30 · Nov 7
- Gans Mar 30 · Nov 7
- Muldrow Mar 30 · Nov 7
- Vian Mar 30 · Nov 7
- Bunch Mar 30 · Nov 7
- Roland Mar 25 · Nov 6
- Keota Mar 23 · Nov 5
- Cookson Apr 4 · Oct 31
- Spiro Mar 25 · Nov 6
- Gore Apr 6 · Oct 30
Frequently asked questions
When is the last frost in Sallisaw, OK?
The median last spring frost in Sallisaw, OK is March 30. There is still about a 10% chance of frost after April 16, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Sallisaw, OK?
The median first fall frost is November 7, with about a 10% chance of frost before October 23.
How long is the growing season in Sallisaw, OK?
About 222 days between the median last spring frost and first fall frost.
What planting zone is Sallisaw, OK?
Sallisaw, OK is in USDA hardiness zone 7b.