When to plant sunflower in Arkansas
Arkansas spans USDA zones 7a–8b, so the right time to plant sunflower shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 13 in Texarkana to April 12 in Rogers — below are local dates for 39 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Little Rock | 8a | March 21 | November 10 | March 21 – April 11 |
| Fayetteville | 7a | April 4 | October 31 | April 4 – April 25 |
| Fort Smith | 8a | March 25 | November 6 | March 25 – April 15 |
| Springdale | 7a | April 4 | October 31 | April 4 – April 25 |
| Jonesboro | 7b | March 23 | November 9 | March 23 – April 13 |
| Rogers | 7a | April 12 | October 26 | April 12 – May 3 |
| Conway | 8a | April 2 | November 2 | April 2 – April 23 |
| North Little Rock | 8a | March 21 | November 10 | March 21 – April 11 |
Sunflower in Arkansas: FAQ
When can I plant sunflower in Arkansas?
Across Arkansas, the time to direct-sow sunflower spans roughly March 13 in Texarkana to April 12 in Rogers, each following that city's local frost dates.
Does the sunflower planting date vary across Arkansas?
Yes. Arkansas publishes 39 cities with their own frost dates, so the right sunflower planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does sunflower take to grow in Arkansas?
Sunflower takes about 70–100 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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