Haileyville, OK frost dates
How Haileyville compares
- In 8 years out of 10, the last spring frost in Haileyville falls between March 11 and April 18, a 38-day window. The first fall frost falls between October 20 and November 19.
- The median last frost is 4 days earlier than the Oklahoma median of Apr 4.
- Its 217-day growing season is longer than 69% of the 582 Oklahoma places with a regular frost season (state median 211 days).
- The last frost is 5 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 66 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 11 |
| 50% (median) | March 31 |
| 10% (safe for tender plants) | April 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 20 |
| 50% (median) | November 3 |
| 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 Haileyville, OK
Haileyville, OK frost dates — last frost Mar 31, first frost Nov 3, zone 7b. whenisthelastfrost.com
When to plant vegetables in Haileyville, OK
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 6 – Jan 20 | Mar 3 – Mar 17 | — | — |
| Peppers | Jan 20 – Feb 3 | Apr 14 – Apr 28 | — | — |
| Eggplant | Jan 20 – Feb 3 | Apr 14 – Apr 28 | — | — |
| Tomatoes | Feb 3 – Feb 17 | Apr 7 – Apr 21 | — | — |
| Lettuce | Feb 3 – Feb 17 | Mar 10 – Mar 24 | Mar 3 – Apr 7 | Sep 8 – Oct 6 |
| Kale | Feb 3 – Feb 17 | Mar 3 – Mar 17 | Mar 3 – Mar 17 | Aug 25 – Sep 15 |
| Broccoli | Feb 3 – Feb 17 | Mar 17 – Mar 31 | — | Jul 28 – Aug 18 |
| Cabbage | Feb 3 – Feb 17 | Mar 10 – Mar 24 | — | Jul 28 – Aug 18 |
| Cauliflower | Feb 3 – Feb 17 | Mar 17 – Mar 31 | — | Jul 28 – Aug 18 |
| Okra | Feb 17 – Mar 3 | Apr 21 – May 5 | Apr 21 – May 5 | — |
| Basil | Feb 17 – Mar 3 | Apr 7 – Apr 21 | — | — |
| Peas | — | — | Feb 17 – Mar 10 | Aug 11 – Sep 1 |
| Spinach | — | — | Feb 17 – Mar 10 | Sep 8 – Sep 29 |
| Radishes | — | — | Feb 24 – Apr 7 | Sep 22 – Oct 13 |
| Cucumbers | Mar 3 – Mar 10 | Apr 14 – Apr 21 | Apr 7 – Apr 21 | Aug 18 – Sep 1 |
| Zucchini & Summer Squash | Mar 3 – Mar 10 | — | Apr 7 – Apr 21 | Aug 25 – Sep 8 |
| Winter Squash & Pumpkins | Mar 3 – Mar 10 | — | Apr 7 – Apr 21 | — |
| Melons & Watermelon | Mar 3 – Mar 10 | Apr 14 – Apr 28 | — | — |
| Carrots | — | — | Mar 10 – Apr 7 | Aug 11 – Aug 25 |
| Beets | — | — | Mar 10 – Apr 7 | Aug 25 – Sep 8 |
| Potatoes | — | — | Mar 10 – Mar 31 | — |
| Swiss Chard | — | — | Mar 17 – Apr 14 | Aug 25 – Sep 8 |
| Cilantro | — | — | Mar 17 – Apr 7 | Sep 8 – Sep 29 |
| Green Beans | — | — | Apr 7 – Apr 28 | Aug 18 – Sep 1 |
| Sweet Corn | — | — | Apr 7 – Apr 21 | — |
| Sweet Potatoes | — | Apr 14 – May 5 | — | — |
| Garlic | — | — | — | Oct 20 – Nov 24 |
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 Mcalester Rgnl Ap, OK weather station, 19 km away (elevation 771 ft (235 m)).
Frost dates near Haileyville
- Hartshorne Mar 31 · Nov 3
- Gowen Mar 31 · Nov 3
- Alderson Mar 31 · Nov 3
- Krebs Mar 31 · Nov 3
- Mcalester Mar 31 · Nov 3
- Blanco Mar 31 · Nov 3
- Wilburton Apr 2 · Nov 5
- Blocker Mar 31 · Nov 3
- Savanna Mar 31 · Nov 3
- Pittsburg Mar 31 · Nov 3
Frequently asked questions
When is the last frost in Haileyville, OK?
The median last spring frost in Haileyville, OK is March 31. There is still about a 10% chance of frost after April 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Haileyville, OK?
The median first fall frost is November 3, with about a 10% chance of frost before October 20.
How long is the growing season in Haileyville, OK?
About 217 days between the median last spring frost and first fall frost.
What planting zone is Haileyville, OK?
Haileyville, OK is in USDA hardiness zone 7b.