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When to Plant Cilantro in Rockingham County, NC

Cilantro is a dual-purpose herb providing fresh leaves (cilantro) and dried seeds (coriander). It bolts quickly in heat, producing flowers beloved by beneficial insects.

Rockingham County, North Carolina is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 31, giving you a growing season of approximately 207 days.

At an elevation of 756 feet, Rockingham County receives approximately 48.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88ยฐF, providing good warmth for Cilantro during the growing season. Clay soil retains moisture well for Cilantro, but amend with compost to improve drainage and prevent root rot.

Rockingham County, NC (Zone 7a) Long season
207 days
Last Spring Frost April 7
207 growing days
First Fall Frost October 31

Rockingham County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (112 days to spare)
Start indoors: Feb 21 Transplant: Mar 21 🍅 Harvest: May 2 – Jul 4
Recommended (50%) ✓ Fits season (109 days to spare)
Start indoors: Mar 3 Transplant: Mar 31 🍅 Harvest: May 12 – Jul 14
Safe Start (90%) ✓ Fits season (103 days to spare)
Start indoors: Mar 22 Transplant: Apr 19 🍅 Harvest: May 31 – Aug 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
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 26 gal / 100 sq ft
Cilantro needs ~800 GDD — county provides 3,312 GDD Excellent fit

Cilantro Planting Timeline โ€” Rockingham County, NC

Cilantro Planting Calendar

Activity When Date Range
Start Indoors March 3 Mar 3 โ€“ Mar 17
Transplant Outdoors March 31 Mar 31 โ€“ Apr 14
Direct Sow March 24 Mar 24 โ€“ Apr 14
Fall Sowing August 22 Aug 22 โ€“ Sep 5
Harvest May 12 May 12 โ€“ Jul 14

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
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

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

40โ€“60 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7a

Growing Season

207 days

Growing Tips for Rockingham County

Succession sow every 2-3 weeks. Provide afternoon shade in warm weather. Harvest leaves before flowering or allow some plants to go to seed for coriander and self-sowing.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Level Up Your Garden

Frequently Asked Questions

When should I plant Cilantro in Rockingham County, NC?

Rockingham County is in Zone 7a with an average last frost of April 7. Plan your Cilantro planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Rockingham County, NC?

Rockingham County, North Carolina is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 31.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Rockingham County gardeners in Zone 7a 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 Rockingham County, NC. Local conditions may vary. Last updated: April 2026.