When to Plant Zinnia in Circle, Alaska (99733)
Location
Circle, Alaska
ZIP Code
99733
USDA Zone
1a
Last Frost
Monday, June 15, 2026
๐ Planting Calendar
Pro Tip: Sow Zinnia directly outdoors 1 week after your last frost date โ it needs warm soil.
๐ฟ Plant Details
โ๏ธ Growing Requirements
โ๏ธ
Sun
Full Sun (6-8 hours)
๐ง
Water
Moderate (1 inch/week)
โ๏ธ
Spacing
12" apart
๐ฑ
Planting Depth
0.25" deep
Seeds typically germinate in 5-10 days
Ready to Plant Zinnia in Circle?
Get your seeds now so they're ready by Monday, June 22, 2026.
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Other Plants for Circle
Growing Zinnia in Zone 1a
Zinnia (Zinnia elegans) is a popular garden vegetable. In Circle, Alaska, which is in USDA Hardiness Zone 1a, you should direct sow seeds around Monday, June 22, 2026.
Your average last frost date is Monday, June 15, 2026. Zinnia grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.