When to Plant Napa Cabbage in Bainbridge Island, Washington (98110)

Location

Bainbridge Island, Washington

ZIP Code

98110

USDA Zone

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, January 9, 2026

Transplant Outdoors Friday, March 6, 2026

Pro Tip: Start Napa Cabbage seeds indoors 6 weeks before your last frost date, then transplant outdoors around Friday, March 6, 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 Bainbridge Island?

Get your seeds now so they're ready by Friday, January 9, 2026.

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🤝 Good Companions

BeetOnionCeleryCucumber

⚠️ Avoid Planting Near

StrawberryTomatoPepper

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Growing Napa Cabbage in Zone 9a

Napa Cabbage (Brassica rapa subsp. pekinensis) is a popular garden vegetable. In Bainbridge Island, Washington, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, January 9, 2026.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Napa Cabbage seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.