When to Plant Nasturtium in Kobuk, Alaska (99751)
Location
Kobuk, Alaska
ZIP Code
99751
USDA Zone
1b
Last Frost
Wednesday, June 10, 2026
๐ Planting Calendar
Pro Tip: Sow Nasturtium 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 to Partial Shade
๐ง
Water
Low (drought tolerant)
โ๏ธ
Spacing
12" apart
๐ฑ
Planting Depth
0.5" deep
Seeds typically germinate in 7-14 days
Ready to Plant Nasturtium in Kobuk?
Get your seeds now so they're ready by Wednesday, June 17, 2026.
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๐ค Good Companions
โ ๏ธ Avoid Planting Near
Other Plants for Kobuk
Growing Nasturtium in Zone 1b
Nasturtium (Tropaeolum majus) is a popular garden vegetable. In Kobuk, 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. Nasturtium grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.