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When to Plant Chinese Cabbage in Gwinnett County, GA

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

Gwinnett County, Georgia is in USDA Zone 7b. The average last spring frost is March 22 and the first fall frost is November 13, giving you a growing season of approximately 236 days.

At an elevation of 127 feet, Gwinnett County receives approximately 55.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88ยฐF, 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. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Chinese Cabbage root diseases.

Gwinnett County, GA (Zone 7b) Long season
236 days
Last Spring Frost March 22
236 growing days
First Fall Frost November 13

Gwinnett County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (153 days to spare)
Start indoors: Feb 4 Transplant: Mar 11 🍅 Harvest: May 6 – Jun 3
Recommended (50%) ✓ Fits season (152 days to spare)
Start indoors: Feb 15 Transplant: Mar 22 🍅 Harvest: May 17 – Jun 14
Safe Start (90%) ✓ Fits season (151 days to spare)
Start indoors: Mar 5 Transplant: Apr 9 🍅 Harvest: Jun 4 – Jul 2

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
1.0″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 1,061 gal / 100 sq ft
Chinese Cabbage needs ~960 GDD — county provides 3,776 GDD Excellent fit

Chinese Cabbage Planting Timeline โ€” Gwinnett County, GA

Chinese Cabbage Planting Calendar

Activity When Date Range
Start Indoors February 15 Feb 15 โ€“ Mar 1
Transplant Outdoors March 22 Mar 22 โ€“ Apr 5
Direct Sow March 8 Mar 8 โ€“ Mar 29
Fall Sowing September 4 Sep 4 โ€“ Sep 18
Harvest May 17 May 17 โ€“ Jun 14

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
May Harvest
June Harvest
July โ€”
August โ€”
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

236 days

Growing Tips for Gwinnett 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 Gwinnett County, GA?

Gwinnett County is in Zone 7b with an average last frost of March 22. Plan your Chinese Cabbage planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Gwinnett County, GA?

Gwinnett County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 22 and first fall frost is November 13.

๐ŸŒฑ

Plan Your Garden with Confidence

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

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