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When to Plant Napa Cabbage in Zone 2B

USDA Zone

2B

Cities Covered

17

Avg Last Frost

Thursday, May 28, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 2B

Start Seeds Indoors Thursday, April 16, 2026
Transplant Outdoors Thursday, June 11, 2026

Pro Tip: Start Napa Cabbage seeds indoors 6 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Brassica rapa subsp. pekinensis
Days to Maturity 70 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 18" apart

Cities in Zone 2B

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Growing Napa Cabbage in USDA Zone 2B

Napa Cabbage (Brassica rapa subsp. pekinensis) grows well in USDA Hardiness Zone 2B. This zone includes cities like Gakona, Glennallen, Mc Grath and 14 more.

The average last frost date for Zone 2B is around Thursday, May 28, 2026. For best results, start your Napa Cabbage seeds indoors around Thursday, April 16, 2026, then transplant outdoors around Thursday, June 11, 2026.

Expect to harvest your Napa Cabbage approximately 70 days after planting.