🌱 MyLocalPlanting

When to Plant Watermelon in Allakaket, Alaska (99720)

Location

Allakaket, Alaska

ZIP Code

99720

USDA Zone

1a

Last Frost

Monday, June 15, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, May 18, 2026
Transplant Outdoors Monday, June 29, 2026

Pro Tip: Start Watermelon seeds indoors 4 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Citrullus lanatus
Days to Maturity 80 days
Mature Height 12-24"
Spread 72"
Type Vine
Fruit Size Large (10-30 lbs)

☀️ Growing Requirements

☀️

Sun

Full Sun (8+ hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

72" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 4-12 days

🤝 Good Companions

CornSunflowerMarigold

⚠️ Avoid Planting Near

Potato

Other Plants for Allakaket

Growing Watermelon in Zone 1a

Watermelon (Citrullus lanatus) is a popular garden vegetable. In Allakaket, Alaska, which is in USDA Hardiness Zone 1a, you should start seeds indoors around Monday, May 18, 2026.

Your average last frost date is Monday, June 15, 2026. Plan to transplant your Watermelon seedlings outdoors around Monday, June 29, 2026, about 2 weeks after your last frost date.