Growing Napa Cabbage in Zone 2b
Zone 2b has harsh winters and a short growing season. Start Napa Cabbage early indoors to maximize your harvest window. Last frost: May 25. First frost: Aug 28.
Planting Calendar
Season: May 25 – Aug 28 (95 days)
When to Plant Napa Cabbage in Zone 2b
Start Seeds Indoors: Apr 13
Start Napa Cabbage seeds indoors around Apr 13 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.
Transplant Outdoors: May 4
Transplant Napa Cabbage seedlings outdoors after May 4. Wait until soil temperature reaches 45°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.
Harvest: Jul 8
First harvest approximately Jul 8 (~65 days from transplant). Continue harvesting until first frost (Aug 28).
Fall Planting: Jun 5
For a fall harvest, plant Napa Cabbage around Jun 5 (12 weeks before first frost).
Napa Cabbage in Other Zones
1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13bFrequently Asked Questions
When should I plant Napa Cabbage in Zone 2b?
Start Napa Cabbage seeds indoors around Apr 13. Transplant outdoors after May 4. Expect first harvest around Jul 8.
What is the last frost date for Zone 2b?
The average last spring frost date for Zone 2b is May 25. The first fall frost averages Aug 28, giving a 95-day growing season.
Can I grow Napa Cabbage in Zone 2b?
Yes. Napa Cabbage needs 70 days to harvest. Zone 2b has a 95-day growing season, which is sufficient.
What is the best month to plant Napa Cabbage in Zone 2b?
The best time to start Napa Cabbage in Zone 2b is Apr. Begin seeds indoors around Apr 13, then transplant outdoors after the last frost date of May 25.
How long does Napa Cabbage take to harvest?
Napa Cabbage takes approximately 70 days from planting to harvest. In Zone 2b, expect your first harvest around Jul 8.
Plan Your Napa Cabbage Garden
Track Napa Cabbage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
Start Free Napa Cabbage Growing Guide