When to Plant Sunflower in Yukon
Sunflowers are tall, cheerful annuals grown for their edible seeds and as pollinator magnets. They come in sizes from 2-foot dwarfs to 12-foot giants.
Yukon spans USDA hardiness zones 2a, 2b (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.
Find Your County
Click your county for exact Sunflower planting dates based on your local frost dates.
Sunflower Planting Calendar for Yukon
▸ Zone 2a ~94 day growing season · Full guide →
Last frost: May 30 · First frost: September 1 · 94 day season
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 28 | Mar 28 – Apr 11 |
| Transplant Outdoors | June 20 | Jun 20 – Jul 4 |
| Direct Sow | June 13 | Jun 13 – Jul 4 |
| Harvest | August 29 | Aug 29 – Oct 17 |
▸ Zone 2b ~111 day growing season · Full guide →
Last frost: May 22 · First frost: September 10 · 111 day season
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 20 | Mar 20 – Apr 3 |
| Transplant Outdoors | June 12 | Jun 12 – Jun 26 |
| Direct Sow | June 5 | Jun 5 – Jun 26 |
| Harvest | August 21 | Aug 21 – Oct 9 |
Growing Tips for Yukon
Direct sow after last frost. Stake tall varieties in windy areas. Harvest seed heads when the back turns brown and seeds are plump. Dry heads upside down.
Sunflower in Other States
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
Frequently Asked Questions
When should I plant Sunflower in Yukon?
Planting dates for Sunflower in Yukon depend on your USDA zone. Yukon spans zones 2a, 2b. Check the planting calendar above for your specific zone's frost dates and planting windows.
What zone is Yukon for planting?
Yukon contains USDA hardiness zones 2a, 2b. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.