When to Plant Broccoli in Allakaket, Alaska (99720)

Location

Allakaket, Alaska

ZIP Code

99720

USDA Zone

Last Frost

Monday, June 15, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, May 4, 2026

Transplant Outdoors Monday, June 15, 2026

Pro Tip: Start Broccoli seeds indoors 6 weeks before your last frost date, then transplant outdoors around Monday, June 15, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. italica

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

Ready to Plant Broccoli in Allakaket?

Get your seeds now so they're ready by Monday, May 4, 2026.

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🤝 Good Companions

BeetCeleryOnionPotatoDill

⚠️ Avoid Planting Near

TomatoStrawberryPepper

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Growing Broccoli in Zone 1a

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

Your average last frost date is Monday, June 15, 2026. Plan to transplant your Broccoli seedlings outdoors around Monday, June 15, 2026, about 0 weeks after your last frost date.