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When to Plant Cabbage in Harnett County, NC

Cabbage is a versatile cool-season crop that forms dense, leafy heads in green, red, or savoy varieties. It is a staple for coleslaw, sauerkraut, and many global cuisines.

Harnett 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 613 feet, Harnett County receives approximately 53.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88ยฐF, providing good warmth for Cabbage during the growing season. Clay soil retains moisture well for Cabbage, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cabbage root diseases.

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

Harnett County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (104 days to spare)
Start indoors: Feb 16 Transplant: Mar 23 🍅 Harvest: May 25 – Jul 20
Recommended (50%) ✓ Fits season (103 days to spare)
Start indoors: Feb 22 Transplant: Mar 29 🍅 Harvest: May 31 – Jul 26
Safe Start (90%) ✓ Fits season (95 days to spare)
Start indoors: Mar 13 Transplant: Apr 17 🍅 Harvest: Jun 19 – Aug 14

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
1.0″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Cabbage needs ~1,280 GDD — county provides 3,552 GDD Excellent fit

Cabbage Planting Timeline โ€” Harnett County, NC

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 31 May 31 โ€“ Jul 26

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 Harvest
August Fall Sowing
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“100 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

222 days

Growing Tips for Harnett County

Start seeds indoors 4-6 weeks before last frost. Space plants 18-24 inches apart. Keep soil evenly moist to prevent heads from splitting.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries
  • Tomatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Cabbage in Harnett County, NC?

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

What planting zone is Harnett County, NC?

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

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Harnett 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 Harnett County, NC. Local conditions may vary. Last updated: April 2026.