When to plant sunflower in Nebraska
Nebraska spans USDA zones 5a–6a, so the right time to plant sunflower shifts by weeks across the state. The window to sow seed directly outdoors runs from about April 16 in Omaha to May 11 in North Platte — below are local dates for 17 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Omaha | 6a | April 16 | October 18 | April 16 – May 7 |
| Lincoln | 6a | April 24 | October 13 | April 24 – May 15 |
| Bellevue | 6a | April 17 | October 19 | April 17 – May 8 |
| Grand Island | 5b | April 23 | October 15 | April 23 – May 14 |
| Kearney | 5b | April 30 | October 10 | April 30 – May 21 |
| Fremont | 5b | April 23 | October 15 | April 23 – May 14 |
| Norfolk | 5b | May 1 | October 4 | May 1 – May 22 |
| Papillion | 6a | April 21 | October 18 | April 21 – May 12 |
Sunflower in Nebraska: FAQ
When can I plant sunflower in Nebraska?
Across Nebraska, the time to direct-sow sunflower spans roughly April 16 in Omaha to May 11 in North Platte, each following that city's local frost dates.
Does the sunflower planting date vary across Nebraska?
Yes. Nebraska publishes 17 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 Nebraska?
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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