When to Plant Napa Cabbage in Galena, Alaska (99741)

Location

Galena, Alaska

ZIP Code

99741

USDA Zone

Last Frost

Wednesday, June 10, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, April 29, 2026

Transplant Outdoors Wednesday, June 24, 2026

Pro Tip: Start Napa Cabbage seeds indoors 6 weeks before your last frost date, then transplant outdoors around Wednesday, June 24, 2026.

🌿 Plant Details

Scientific Name Brassica rapa subsp. pekinensis

Days to Maturity 70 days

Mature Height 12-18"

Spread 12"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 4-7 days

Ready to Plant Napa Cabbage in Galena?

Get your seeds now so they're ready by Wednesday, April 29, 2026.

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🤝 Good Companions

BeetOnionCeleryCucumber

⚠️ Avoid Planting Near

StrawberryTomatoPepper

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Growing Napa Cabbage in Zone 1b

Napa Cabbage (Brassica rapa subsp. pekinensis) is a popular garden vegetable. In Galena, Alaska, which is in USDA Hardiness Zone 1b, you should start seeds indoors around Wednesday, April 29, 2026.

Your average last frost date is Wednesday, June 10, 2026. Plan to transplant your Napa Cabbage seedlings outdoors around Wednesday, June 24, 2026, about 2 weeks after your last frost date.