Boles, AR frost dates
How Boles compares
- In 8 years out of 10, the last spring frost in Boles falls between March 21 and April 24, a 34-day window. The first fall frost falls between October 13 and November 11.
- The median last frost is 11 days later than the Arkansas median of Mar 28.
- Its 203-day growing season is longer than 12% of the 603 Arkansas places with a regular frost season (state median 222 days).
- The last frost is 10 days later than the zone 8a median of Mar 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8a chart.
- The weather station records an average of 82 nights a year at or below 32°F.
- Compared with Fort Smith, AR, 73 km away, the last frost here is 14 days later than there and the growing season is 23 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 21 |
| 50% (median) | April 8 |
| 10% (safe for tender plants) | April 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 13 |
| 50% (median) | October 28 |
| 90% (late) | November 11 |
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 Boles, AR
Boles, AR frost dates — last frost Apr 8, first frost Oct 28, zone 8a. whenisthelastfrost.com
When to plant vegetables in Boles, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 14 – Jan 28 | Mar 11 – Mar 25 | — | — |
| Peppers | Jan 28 – Feb 11 | Apr 22 – May 6 | — | — |
| Eggplant | Jan 28 – Feb 11 | Apr 22 – May 6 | — | — |
| Tomatoes | Feb 11 – Feb 25 | Apr 15 – Apr 29 | — | — |
| Lettuce | Feb 11 – Feb 25 | Mar 18 – Apr 1 | Mar 11 – Apr 15 | Sep 2 – Sep 30 |
| Kale | Feb 11 – Feb 25 | Mar 11 – Mar 25 | Mar 11 – Mar 25 | Aug 19 – Sep 9 |
| Broccoli | Feb 11 – Feb 25 | Mar 25 – Apr 8 | — | Jul 22 – Aug 12 |
| Cabbage | Feb 11 – Feb 25 | Mar 18 – Apr 1 | — | Jul 22 – Aug 12 |
| Cauliflower | Feb 11 – Feb 25 | Mar 25 – Apr 8 | — | Jul 22 – Aug 12 |
| Okra | Feb 25 – Mar 11 | Apr 29 – May 13 | Apr 29 – May 13 | — |
| Basil | Feb 25 – Mar 11 | Apr 15 – Apr 29 | — | — |
| Peas | — | — | Feb 25 – Mar 18 | Aug 5 – Aug 26 |
| Spinach | — | — | Feb 25 – Mar 18 | Sep 2 – Sep 23 |
| Radishes | — | — | Mar 4 – Apr 15 | Sep 16 – Oct 7 |
| Cucumbers | Mar 11 – Mar 18 | Apr 22 – Apr 29 | Apr 15 – Apr 29 | Aug 12 – Aug 26 |
| Zucchini & Summer Squash | Mar 11 – Mar 18 | — | Apr 15 – Apr 29 | Aug 19 – Sep 2 |
| Winter Squash & Pumpkins | Mar 11 – Mar 18 | — | Apr 15 – Apr 29 | — |
| Melons & Watermelon | Mar 11 – Mar 18 | Apr 22 – May 6 | — | — |
| Carrots | — | — | Mar 18 – Apr 15 | Aug 5 – Aug 19 |
| Beets | — | — | Mar 18 – Apr 15 | Aug 19 – Sep 2 |
| Potatoes | — | — | Mar 18 – Apr 8 | — |
| Swiss Chard | — | — | Mar 25 – Apr 22 | Aug 19 – Sep 2 |
| Cilantro | — | — | Mar 25 – Apr 15 | Sep 2 – Sep 23 |
| Green Beans | — | — | Apr 15 – May 6 | Aug 12 – Aug 26 |
| Sweet Corn | — | — | Apr 15 – Apr 29 | — |
| Sweet Potatoes | — | Apr 22 – May 13 | — | — |
| Garlic | — | — | — | Oct 14 – Nov 18 |
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 Waldron, AR weather station, 18 km away (elevation 715 ft (218 m)).
Frost dates near Boles
- Parks Apr 8 · Oct 28
- Waldron Apr 8 · Oct 28
- Mena Apr 5 · Nov 1
- Board Camp Mar 26 · Nov 12
- Oden Apr 8 · Oct 26
- Harvey Apr 4 · Nov 1
- Pencil Bluff Apr 8 · Oct 26
- Mansfield Apr 8 · Oct 28
- Gravelly Mar 31 · Nov 1
- Sims Apr 2 · Oct 31
Frequently asked questions
When is the last frost in Boles, AR?
The median last spring frost in Boles, AR is April 8. There is still about a 10% chance of frost after April 24, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Boles, AR?
The median first fall frost is October 28, with about a 10% chance of frost before October 13.
How long is the growing season in Boles, AR?
About 203 days between the median last spring frost and first fall frost.
What planting zone is Boles, AR?
Boles, AR is in USDA hardiness zone 8a.