When to plant sunflower in Nevada
Nevada spans USDA zones 5b–9b, so the right time to plant sunflower shifts by weeks across the state. The window to sow seed directly outdoors runs from about January 20 in Henderson to June 6 in Spring Creek — below are local dates for 24 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Las Vegas | 9a | January 24 | December 10 | January 24 – February 14 |
| Henderson | 9b | January 20 | December 15 | January 20 – February 10 |
| North Las Vegas | 9a | February 1 | December 8 | February 1 – February 22 |
| Reno | 7b | April 28 | October 27 | April 28 – May 19 |
| Enterprise | 9a | February 4 | December 5 | February 4 – February 25 |
| Spring Valley | 9a | February 4 | December 5 | February 4 – February 25 |
| Sunrise Manor | 9b | February 1 | December 8 | February 1 – February 22 |
| Paradise | 9b | January 20 | December 15 | January 20 – February 10 |
Sunflower in Nevada: FAQ
When can I plant sunflower in Nevada?
Across Nevada, the time to direct-sow sunflower spans roughly January 20 in Henderson to June 6 in Spring Creek, each following that city's local frost dates.
Does the sunflower planting date vary across Nevada?
Yes. Nevada publishes 24 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 Nevada?
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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