Growing Napa Cabbage in Zone 7b
Zone 7b has mild winters and a long growing season — good conditions for Napa Cabbage. Last frost: Apr 10. First frost: Nov 7.
Planting Calendar
Season: Apr 10 – Nov 7 (211 days)
When to Plant Napa Cabbage in Zone 7b
Start Seeds Indoors: Feb 27
Start Napa Cabbage seeds indoors around Feb 27 (6 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 5–10 days.
Transplant Outdoors: Mar 20
Transplant Napa Cabbage seedlings outdoors after Mar 20. Wait until soil temperature reaches 45°F. Space plants at 12/sqft. Harden off plants for a week before moving outside.
Harvest: May 24
First harvest approximately May 24 (~65 days from transplant). Continue harvesting until first frost (Nov 7).
Fall Planting: Aug 15
For a fall harvest, plant Napa Cabbage around Aug 15 (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 7b?
Start Napa Cabbage seeds indoors around Feb 27. Transplant outdoors after Mar 20. Expect first harvest around May 24.
What is the last frost date for Zone 7b?
The average last spring frost date for Zone 7b is Apr 10. The first fall frost averages Nov 7, giving a 211-day growing season.
Can I grow Napa Cabbage in Zone 7b?
Yes. Napa Cabbage needs 70 days to harvest. Zone 7b has a 211-day growing season, which is sufficient.
What is the best month to plant Napa Cabbage in Zone 7b?
The best time to start Napa Cabbage in Zone 7b is Feb. Begin seeds indoors around Feb 27, then transplant outdoors after the last frost date of Apr 10.
How long does Napa Cabbage take to harvest?
Napa Cabbage takes approximately 70 days from planting to harvest. In Zone 7b, expect your first harvest around May 24.
Plan Your Napa Cabbage Garden
Track Napa Cabbage from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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