When to Plant Kohlrabi in Kaktovik, Alaska (99747)

Location

Kaktovik, Alaska

ZIP Code

99747

USDA Zone

Last Frost

Monday, May 25, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, April 27, 2026

Transplant Outdoors Monday, May 11, 2026

Pro Tip: Start Kohlrabi seeds indoors 4 weeks before your last frost date, then transplant outdoors around Monday, May 11, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. gongylodes

Days to Maturity 55 days

Mature Height 12-18"

Spread 8"

Type Bulb

Fruit Size Small-Medium (2-3 inch bulb)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (consistent moisture prevents cracking)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Kohlrabi in Kaktovik?

Get your seeds now so they're ready by Monday, April 27, 2026.

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🤝 Good Companions

BeetOnionCucumberHerb

⚠️ Avoid Planting Near

TomatoPepperStrawberry

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Growing Kohlrabi in Zone 3a

Kohlrabi (Brassica oleracea var. gongylodes) is a popular garden vegetable. In Kaktovik, Alaska, which is in USDA Hardiness Zone 3a, you should start seeds indoors around Monday, April 27, 2026.

Your average last frost date is Monday, May 25, 2026. Plan to transplant your Kohlrabi seedlings outdoors around Monday, May 11, 2026, about -2 weeks after your last frost date.