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When to Plant Lupine in Fairbanks, Alaska (99708)

Location

Fairbanks, Alaska

ZIP Code

99708

USDA Zone

2a

Last Frost

Monday, June 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, May 4, 2026

Pro Tip: Sow Lupine directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Lupinus polyphyllus
Days to Maturity 365 days
Mature Height 24-48"
Spread 24"

☀️ 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 Fairbanks?

Get your seeds now so they're ready by Monday, May 4, 2026.

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🤝 Good Companions

CarrotBrassicasCorn

⚠️ Avoid Planting Near

Fennel

Other Plants for Fairbanks

Growing Lupine in Zone 2a

Lupine (Lupinus polyphyllus) is a popular garden vegetable. In Fairbanks, Alaska, which is in USDA Hardiness Zone 2a, you should direct sow seeds around Monday, May 4, 2026.

Your average last frost date is Monday, June 1, 2026. Lupine grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.