🌱 MyLocalPlanting

When to Plant Broccoli in Shishmaref, Alaska (99772)

Location

Shishmaref, Alaska

ZIP Code

99772

USDA Zone

3a

Last Frost

Monday, May 25, 2026

📅 Planting Calendar

Direct Sow Outdoors Monday, April 13, 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 Shishmaref

Growing Broccoli in Zone 3a

Broccoli (Brassica oleracea) is a popular garden vegetable. In Shishmaref, Alaska, which is in USDA Hardiness Zone 3a, you should direct sow seeds around Monday, April 13, 2026.

Your average last frost date is Monday, May 25, 2026. Broccoli grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.