When to Plant Napa Cabbage in Madison, Wisconsin (53708)

Location

Madison, Wisconsin

ZIP Code

53708

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, March 14, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Napa Cabbage seeds indoors 6 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 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 Madison?

Get your seeds now so they're ready by Saturday, March 14, 2026.

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🤝 Good Companions

BeetOnionCeleryCucumber

⚠️ Avoid Planting Near

StrawberryTomatoPepper

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Growing Napa Cabbage in Zone 5b

Napa Cabbage (Brassica rapa subsp. pekinensis) is a popular garden vegetable. In Madison, Wisconsin, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, March 14, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Napa Cabbage seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.