Blog

When to Plant Chinese Cabbage in Northampton County, NC

Chinese cabbage (Napa cabbage) forms elongated, barrel-shaped heads with tender, mild-flavored leaves. It is a staple in Asian cooking, particularly for kimchi.

Northampton County, North Carolina is in USDA Zone 7b. The average last spring frost is March 29 and the first fall frost is November 6, giving you a growing season of approximately 222 days.

At an elevation of 576 feet, Northampton County receives approximately 46.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 91ยฐF, providing good warmth for Chinese Cabbage during the growing season. Clay soil retains moisture well for Chinese Cabbage, but amend with compost to improve drainage and prevent root rot.

Northampton County, NC (Zone 7b) Long season
222 days
Last Spring Frost March 29
222 growing days
First Fall Frost November 6

Northampton County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (142 days to spare)
Start indoors: Feb 15 Transplant: Mar 22 🍅 Harvest: May 17 – Jun 14
Recommended (50%) ✓ Fits season (138 days to spare)
Start indoors: Feb 22 Transplant: Mar 29 🍅 Harvest: May 24 – Jun 21
Safe Start (90%) ✓ Fits season (138 days to spare)
Start indoors: Mar 6 Transplant: Apr 10 🍅 Harvest: Jun 5 – Jul 3

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.9″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 1,237 gal / 100 sq ft
Chinese Cabbage needs ~1,095 GDD — county provides 4,051 GDD Excellent fit

Chinese Cabbage Planting Timeline โ€” Northampton County, NC

Chinese Cabbage Planting Calendar

Activity When Date Range
Start Indoors February 22 Feb 22 โ€“ Mar 8
Transplant Outdoors March 29 Mar 29 โ€“ Apr 12
Direct Sow March 15 Mar 15 โ€“ Apr 5
Fall Sowing August 28 Aug 28 โ€“ Sep 11
Harvest May 24 May 24 โ€“ Jun 21

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July โ€”
August Fall Sowing
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

High โ€” keep soil consistently moist

Days to Maturity

50โ€“70 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

222 days

Growing Tips for Northampton County

Best grown as a fall crop to avoid bolting. Start seeds indoors or direct sow in late summer. Keep soil consistently moist and provide shade in warm weather.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries
  • Tomatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Chinese Cabbage in Northampton County, NC?

Northampton County is in Zone 7b with an average last frost of March 29. Plan your Chinese Cabbage planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Northampton County, NC?

Northampton County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is March 29 and first fall frost is November 6.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Northampton County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Northampton County, NC. Local conditions may vary. Last updated: April 2026.