When to Plant Sweet Alyssum in Fairbanks, Alaska (99708)

Location

Fairbanks, Alaska

ZIP Code

99708

USDA Zone

Last Frost

Monday, June 1, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, May 4, 2026

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

🌿 Plant Details

Scientific Name Lobularia maritima

Days to Maturity 45 days

Mature Height 4-8"

Spread 9"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Moderate (1 inch/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 5-10 days

Ready to Plant Sweet Alyssum in Fairbanks?

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

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Growing Sweet Alyssum in Zone 2a

Sweet Alyssum (Lobularia maritima) 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. Sweet Alyssum grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.