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When to Plant Sweet Alyssum in Allakaket, Alaska (99720)

Location

Allakaket, Alaska

ZIP Code

99720

USDA Zone

1a

Last Frost

Monday, June 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, May 18, 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 Allakaket?

Get your seeds now so they're ready by Monday, May 18, 2026.

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Growing Sweet Alyssum in Zone 1a

Sweet Alyssum (Lobularia maritima) is a popular garden vegetable. In Allakaket, Alaska, which is in USDA Hardiness Zone 1a, you should direct sow seeds around Monday, May 18, 2026.

Your average last frost date is Monday, June 15, 2026. Sweet Alyssum grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.