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When to Plant Arugula in Brunswick County, NC

Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.

Brunswick County, North Carolina is in USDA Zone 8a. The average last spring frost is March 21 and the first fall frost is November 16, giving you a growing season of approximately 240 days.

At an elevation of 1,181 feet, Brunswick County receives approximately 54.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94ยฐF, providing good warmth for Arugula during the growing season. Clay soil retains moisture well for Arugula, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Arugula root diseases.

Brunswick County, NC (Zone 8a) Long season
240 days
Last Spring Frost March 21
240 growing days
First Fall Frost November 16

Brunswick County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (143 days to spare)
Start indoors: Feb 4 Transplant: Mar 11 🍅 Harvest: Apr 15 – Jun 17
Recommended (50%) ✓ Fits season (142 days to spare)
Start indoors: Feb 14 Transplant: Mar 21 🍅 Harvest: Apr 25 – Jun 27
Safe Start (90%) ✓ Fits season (136 days to spare)
Start indoors: Mar 5 Transplant: Apr 9 🍅 Harvest: May 14 – Jul 16

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
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 84 gal / 100 sq ft
Arugula needs ~820 GDD — county provides 4,920 GDD Excellent fit

Arugula Planting Timeline โ€” Brunswick County, NC

Arugula Planting Calendar

Activity When Date Range
Start Indoors February 14 Feb 14 โ€“ Feb 28
Transplant Outdoors March 21 Mar 21 โ€“ Apr 4
Direct Sow March 7 Mar 7 โ€“ Mar 28
Fall Sowing September 7 Sep 7 โ€“ Sep 21
Harvest April 25 Apr 25 โ€“ Jun 27

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Transplant Outdoors Direct Sow
April Transplant Outdoors Harvest
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

Moderate โ€” regular watering

Days to Maturity

30โ€“50 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

240 days

Growing Tips for Brunswick County

Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Level Up Your Garden

Frequently Asked Questions

When should I plant Arugula in Brunswick County, NC?

Brunswick County is in Zone 8a with an average last frost of March 21. Plan your Arugula planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Brunswick County, NC?

Brunswick County, North Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 21 and first fall frost is November 16.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Brunswick County gardeners in Zone 8a 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 Brunswick County, NC. Local conditions may vary. Last updated: April 2026.