When to Plant Zinnia in Manley Hot Springs, Alaska (99756)
Location
Manley Hot Springs, Alaska
ZIP Code
99756
USDA Zone
1b
Last Frost
Wednesday, June 10, 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 Manley Hot Springs?
Get your seeds now so they're ready by Wednesday, June 17, 2026.
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Other Plants for Manley Hot Springs
Growing Zinnia in Zone 1b
Zinnia (Zinnia elegans) is a popular garden vegetable. In Manley Hot Springs, Alaska, which is in USDA Hardiness Zone 1b, you should direct sow seeds around Wednesday, June 17, 2026.
Your average last frost date is Wednesday, June 10, 2026. Zinnia grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.