When to Plant Lupine in Kalskag, Alaska (99607)
Location
Kalskag, Alaska
ZIP Code
99607
USDA Zone
3b
Last Frost
Wednesday, May 20, 2026
📅 Planting Calendar
Pro Tip: Sow Lupine directly outdoors 4 weeks before your last frost date.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun to Partial Shade
💧
Water
Moderate (1 inch/week)
↔️
Spacing
18" apart
🌱
Planting Depth
0.5" deep
Seeds typically germinate in 14-21 days
Ready to Plant Lupine in Kalskag?
Get your seeds now so they're ready by Wednesday, April 22, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Kalskag
Growing Lupine in Zone 3b
Lupine (Lupinus polyphyllus) is a popular garden vegetable. In Kalskag, Alaska, which is in USDA Hardiness Zone 3b, you should direct sow seeds around Wednesday, April 22, 2026.
Your average last frost date is Wednesday, May 20, 2026. Lupine grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.