🌱 MyLocalPlanting

When to Plant Broccoli 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 4, 2026

Pro Tip: Broccoli can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica oleracea
Days to Maturity 60 days
Mature Height 18-30"
Spread 18"
Type Head
Fruit Size Medium (4-7 inch head)

☀️ Growing Requirements

☀️

Sun

Full Sun (6 hours)

💧

Water

Regular (1-1.5 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

🤝 Good Companions

BeetCeleryOnionPotatoDill

⚠️ Avoid Planting Near

TomatoStrawberryPepper

Other Plants for Allakaket

Growing Broccoli in Zone 1a

Broccoli (Brassica oleracea) is a popular garden vegetable. In Allakaket, Alaska, which is in USDA Hardiness Zone 1a, you should direct sow seeds around Monday, May 4, 2026.

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