S Coffeyville, OK frost dates
How S Coffeyville compares
- In 8 years out of 10, the last spring frost in S Coffeyville falls between March 20 and April 21, a 32-day window. The first fall frost falls between October 17 and November 14.
- The median last frost is 2 days later than the Oklahoma median of Apr 4.
- Its 209-day growing season is longer than 35% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is 10 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 94 nights a year at or below 32°F.
- Compared with Joplin, MO, 98 km away, the last frost here is 3 days earlier than there and the growing season is 8 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 20 |
| 50% (median) | April 6 |
| 10% (safe for tender plants) | April 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 17 |
| 50% (median) | November 1 |
| 90% (late) | November 14 |
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 S Coffeyville, OK
S Coffeyville, OK frost dates — last frost Apr 6, first frost Nov 1, zone 7a. whenisthelastfrost.com
When to plant vegetables in S Coffeyville, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 12 – Jan 26 | Mar 9 – Mar 23 | — | — |
| Peppers | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Eggplant | Jan 26 – Feb 9 | Apr 20 – May 4 | — | — |
| Tomatoes | Feb 9 – Feb 23 | Apr 13 – Apr 27 | — | — |
| Lettuce | Feb 9 – Feb 23 | Mar 16 – Mar 30 | Mar 9 – Apr 13 | Sep 6 – Oct 4 |
| Kale | Feb 9 – Feb 23 | Mar 9 – Mar 23 | Mar 9 – Mar 23 | Aug 23 – Sep 13 |
| Broccoli | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Jul 26 – Aug 16 |
| Cabbage | Feb 9 – Feb 23 | Mar 16 – Mar 30 | — | Jul 26 – Aug 16 |
| Cauliflower | Feb 9 – Feb 23 | Mar 23 – Apr 6 | — | Jul 26 – Aug 16 |
| Okra | Feb 23 – Mar 9 | Apr 27 – May 11 | Apr 27 – May 11 | — |
| Basil | Feb 23 – Mar 9 | Apr 13 – Apr 27 | — | — |
| Peas | — | — | Feb 23 – Mar 16 | Aug 9 – Aug 30 |
| Spinach | — | — | Feb 23 – Mar 16 | Sep 6 – Sep 27 |
| Radishes | — | — | Mar 2 – Apr 13 | Sep 20 – Oct 11 |
| Cucumbers | Mar 9 – Mar 16 | Apr 20 – Apr 27 | Apr 13 – Apr 27 | Aug 16 – Aug 30 |
| Zucchini & Summer Squash | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | Aug 23 – Sep 6 |
| Winter Squash & Pumpkins | Mar 9 – Mar 16 | — | Apr 13 – Apr 27 | — |
| Melons & Watermelon | Mar 9 – Mar 16 | Apr 20 – May 4 | — | — |
| Carrots | — | — | Mar 16 – Apr 13 | Aug 9 – Aug 23 |
| Beets | — | — | Mar 16 – Apr 13 | Aug 23 – Sep 6 |
| Potatoes | — | — | Mar 16 – Apr 6 | — |
| Swiss Chard | — | — | Mar 23 – Apr 20 | Aug 23 – Sep 6 |
| Cilantro | — | — | Mar 23 – Apr 13 | Sep 6 – Sep 27 |
| Green Beans | — | — | Apr 13 – May 4 | Aug 16 – Aug 30 |
| Sweet Corn | — | — | Apr 13 – Apr 27 | — |
| Sweet Potatoes | — | Apr 20 – May 11 | — | — |
| Garlic | — | — | — | Oct 18 – Nov 22 |
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 Coffeyville Wtr Wks, KS weather station, 9 km away (elevation 738 ft (225 m)).
Frost dates near S Coffeyville
- Lenapah Apr 6 · Nov 1
- Wann Apr 6 · Nov 1
- Delaware Apr 4 · Nov 1
- Copan Apr 11 · Oct 24
- Nowata Apr 4 · Nov 1
- Dewey Apr 11 · Oct 24
- Bartlesville Apr 11 · Oct 24
- Welch Apr 6 · Oct 27
- Bluejacket Apr 6 · Oct 27
- Talala Apr 4 · Nov 1
Frequently asked questions
When is the last frost in S Coffeyville, OK?
The median last spring frost in S Coffeyville, OK is April 6. There is still about a 10% chance of frost after April 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in S Coffeyville, OK?
The median first fall frost is November 1, with about a 10% chance of frost before October 17.
How long is the growing season in S Coffeyville, OK?
About 209 days between the median last spring frost and first fall frost.
What planting zone is S Coffeyville, OK?
S Coffeyville, OK is in USDA hardiness zone 7a.