Green Forest, AR frost dates
How Green Forest compares
- In 8 years out of 10, the last spring frost in Green Forest falls between March 17 and April 21, a 35-day window. The first fall frost falls between October 16 and November 14.
- The median last frost is 6 days later than the Arkansas median of Mar 28.
- Its 210-day growing season is longer than 17% of the 603 Arkansas places with a regular frost season (state median 222 days).
- The last frost is 13 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 76 nights a year at or below 32°F.
- Compared with Rogers, AR, 65 km away, the last frost here is 9 days earlier than there and the growing season is 13 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 17 |
| 50% (median) | April 3 |
| 10% (safe for tender plants) | April 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 16 |
| 50% (median) | October 30 |
| 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 Green Forest, AR
Green Forest, AR frost dates — last frost Apr 3, first frost Oct 30, zone 7a. whenisthelastfrost.com
When to plant vegetables in Green Forest, AR
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 9 – Jan 23 | Mar 6 – Mar 20 | — | — |
| Peppers | Jan 23 – Feb 6 | Apr 17 – May 1 | — | — |
| Eggplant | Jan 23 – Feb 6 | Apr 17 – May 1 | — | — |
| Tomatoes | Feb 6 – Feb 20 | Apr 10 – Apr 24 | — | — |
| Lettuce | Feb 6 – Feb 20 | Mar 13 – Mar 27 | Mar 6 – Apr 10 | Sep 4 – Oct 2 |
| Kale | Feb 6 – Feb 20 | Mar 6 – Mar 20 | Mar 6 – Mar 20 | Aug 21 – Sep 11 |
| Broccoli | Feb 6 – Feb 20 | Mar 20 – Apr 3 | — | Jul 24 – Aug 14 |
| Cabbage | Feb 6 – Feb 20 | Mar 13 – Mar 27 | — | Jul 24 – Aug 14 |
| Cauliflower | Feb 6 – Feb 20 | Mar 20 – Apr 3 | — | Jul 24 – Aug 14 |
| Okra | Feb 20 – Mar 6 | Apr 24 – May 8 | Apr 24 – May 8 | — |
| Basil | Feb 20 – Mar 6 | Apr 10 – Apr 24 | — | — |
| Peas | — | — | Feb 20 – Mar 13 | Aug 7 – Aug 28 |
| Spinach | — | — | Feb 20 – Mar 13 | Sep 4 – Sep 25 |
| Radishes | — | — | Feb 27 – Apr 10 | Sep 18 – Oct 9 |
| Cucumbers | Mar 6 – Mar 13 | Apr 17 – Apr 24 | Apr 10 – Apr 24 | Aug 14 – Aug 28 |
| Zucchini & Summer Squash | Mar 6 – Mar 13 | — | Apr 10 – Apr 24 | Aug 21 – Sep 4 |
| Winter Squash & Pumpkins | Mar 6 – Mar 13 | — | Apr 10 – Apr 24 | — |
| Melons & Watermelon | Mar 6 – Mar 13 | Apr 17 – May 1 | — | — |
| Carrots | — | — | Mar 13 – Apr 10 | Aug 7 – Aug 21 |
| Beets | — | — | Mar 13 – Apr 10 | Aug 21 – Sep 4 |
| Potatoes | — | — | Mar 13 – Apr 3 | — |
| Swiss Chard | — | — | Mar 20 – Apr 17 | Aug 21 – Sep 4 |
| Cilantro | — | — | Mar 20 – Apr 10 | Sep 4 – Sep 25 |
| Green Beans | — | — | Apr 10 – May 1 | Aug 14 – Aug 28 |
| Sweet Corn | — | — | Apr 10 – Apr 24 | — |
| Sweet Potatoes | — | Apr 17 – May 8 | — | — |
| Garlic | — | — | — | Oct 16 – Nov 20 |
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 Harrison Boone Co Ap, AR weather station, 23 km away (elevation 1,375 ft (419 m)).
Frost dates near Green Forest
- Alpena Apr 3 · Oct 30
- Berryville Mar 30 · Nov 7
- Oak Grove Apr 8 · Nov 2
- Omaha Apr 8 · Nov 2
- Compton Mar 22 · Nov 9
- Harrison Mar 22 · Nov 9
- Beaver Apr 18 · Oct 22
- Kingston Apr 13 · Oct 29
- Eureka Springs Apr 18 · Oct 22
- Ponca Apr 13 · Oct 29
Frequently asked questions
When is the last frost in Green Forest, AR?
The median last spring frost in Green Forest, AR is April 3. 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 Green Forest, AR?
The median first fall frost is October 30, with about a 10% chance of frost before October 16.
How long is the growing season in Green Forest, AR?
About 210 days between the median last spring frost and first fall frost.
What planting zone is Green Forest, AR?
Green Forest, AR is in USDA hardiness zone 7a.