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When to Plant Larkspur 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 Larkspur directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Consolida ajacis
Days to Maturity 65 days
Mature Height 24-48"
Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

9" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-21 days

Ready to Plant Larkspur in Fairbanks?

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

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Growing Larkspur in Zone 2a

Larkspur (Consolida ajacis) 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. Larkspur grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.