When to Plant Sunflower in Alaska
State
Alaska
Cities Covered
229
USDA Zones
1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Plant Type
Direct Sow
📅 Planting Calendar for Alaska
Based on Anchorage (Zone 5a). Dates may vary by city.
Note: Alaska spans multiple zones (1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b). Select your city below for more precise dates.
🌿 Plant Details
Find Your City in Alaska
Other Plants for Alaska
Browse Other States
Growing Sunflower in Alaska
Sunflower (Helianthus annuus) is a popular garden vegetable in Alaska. The state spans USDA Hardiness Zones 1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, so planting dates can vary significantly depending on your location.
In most areas of Alaska, you can direct sow Sunflower outdoors around Sunday, May 17, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.