🌱 MyLocalPlanting

When to Plant Broccoli in Glennallen, Alaska (99588)

Location

Glennallen, Alaska

ZIP Code

99588

USDA Zone

2b

Last Frost

Thursday, May 28, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, April 16, 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 Glennallen

Growing Broccoli in Zone 2b

Broccoli (Brassica oleracea) is a popular garden vegetable. In Glennallen, Alaska, which is in USDA Hardiness Zone 2b, you should direct sow seeds around Thursday, April 16, 2026.

Your average last frost date is Thursday, May 28, 2026. Broccoli grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.