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Arkansas frost dates
Across the 19Arkansas weather stations below, the average last spring frost ranges from Mar 13 in Pine Bluff Grider to Apr 15 in Fayetteville Drake. The statewide middle is about Mar 24 for the last spring frost and Nov 6 for the first fall frost. Pine Bluff Grider has the longest growing season, about 245 days. Hardiness zones in these places: 7a, 7b, 8a, 8b.
Frost dates by city
| Place | Zone | Last spring frost | 90% safe after | First fall frost | Frost-free days |
|---|---|---|---|---|---|
| Pine Bluff Grider | 8b | Mar 13 | Apr 1 | Nov 13 | 245 |
| Texarkana Webb | 8b | Mar 13 | Apr 3 | Nov 13 | 245 |
| Little Rock | 8a | Mar 16 | Apr 2 | Nov 16 | 245 |
| West Memphis | 8a | Mar 16 | Apr 3 | Nov 11 | 240 |
| Monticello | 8b | Mar 18 | Apr 6 | Nov 12 | 239 |
| Little Rock Adams | 8a | Mar 21 | Apr 6 | Nov 10 | 234 |
| Jonesboro | 7b | Mar 23 | Apr 9 | Nov 9 | 231 |
| Blytheville | 8a | Mar 24 | Apr 10 | Nov 6 | 227 |
| El Dorado S Ar | 8b | Mar 24 | Apr 9 | Nov 7 | 228 |
| Hot Springs | 8a | Mar 24 | Apr 13 | Nov 9 | 230 |
| Ft Smith | 8a | Mar 25 | Apr 11 | Nov 6 | 226 |
| De Queen Sevier | 8a | Mar 26 | Apr 11 | Nov 5 | 224 |
| Russellville | 8a | Mar 29 | Apr 13 | Nov 2 | 218 |
| Mount Ida | 8a | Apr 2 | Apr 20 | Oct 31 | 212 |
| Mountain Home Baxter | 7b | Apr 2 | Apr 19 | Nov 1 | 213 |
| Harrison Boone | 7b | Apr 3 | Apr 21 | Oct 30 | 210 |
| Fayetteville Nw Ar | – | Apr 8 | Apr 26 | Oct 28 | 203 |
| Batesville 8 Wnw | 7b | Apr 9 | Apr 24 | Oct 25 | 199 |
| Fayetteville Drake | 7a | Apr 15 | May 1 | Oct 21 | 189 |
Dates are the 50% probability of a 32°F freeze (NOAA 1991–2020 normals); "90% safe after" is the date after which a later spring freeze happens in only 1 year in 10.
When to plant in Arkansas
Using the statewide middle dates (last frost Mar 24, first frost Nov 6). Adjust for your town with the table above or the planting calendar.
| Plant | When to plant in Arkansas |
|---|---|
| Tomatoes | Mar 31 – Apr 14 |
| Peas | Feb 10 – Mar 3; fall: Aug 14 – Sep 4 |
| Potatoes | Feb 24 – Mar 17 |
| Green beans | Mar 31 – Apr 14; fall: Aug 21 – Sep 4 |
| Garlic | Nov 6 – Dec 4 |
| Tulips | Oct 23 – Dec 4 |