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When to Plant Cauliflower 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 4, 2026
Transplant Outdoors Monday, June 15, 2026

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

🌿 Plant Details

Scientific Name Brassica oleracea var. botrytis
Days to Maturity 75 days
Mature Height 18-24"
Spread 24"
Type Head
Fruit Size Medium (6-8 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 4-10 days

Ready to Plant Cauliflower in Allakaket?

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

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🤝 Good Companions

BeetCeleryBeanOnion

⚠️ Avoid Planting Near

StrawberryTomato

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Growing Cauliflower in Zone 1a

Cauliflower (Brassica oleracea var. botrytis) 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 Cauliflower seedlings outdoors around Monday, June 15, 2026, about 0 weeks after your last frost date.