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When to Plant Cilantro in Forsyth County, GA

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.

Forsyth 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 59 feet, Forsyth County receives approximately 57.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89Β°F, 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. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cilantro root diseases.

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

Forsyth County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.6

Drainage

Well Drained

Monthly Watering Guide for Cilantro

Cilantro needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Cilantro Needs Rainfall You Supplement Action
Jan β€” 4.9" 0" ❄️ Dormant
Feb β€” 4.5" 0" ❄️ Dormant
Mar 4.3" 6" 0" βœ… Rainfall sufficient
Apr 4.3" 4.2" 0.1" πŸ’§ Light watering
May 4.3" 5" 0" βœ… Rainfall sufficient
Jun 4.3" 4.8" 0" βœ… Rainfall sufficient
Jul 4.3" 6.6" 0" βœ… Rainfall sufficient
Aug 4.3" 5.5" 0" βœ… Rainfall sufficient
Sep 4.3" 4.4" 0" βœ… Rainfall sufficient
Oct 4.3" 3.1" 1.2" πŸ’§ Light watering
Nov 4.3" 4" 0.3" πŸ’§ Light watering
Dec β€” 5" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Forsyth County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Cilantro Planting Timeline β€” Forsyth County, GA

Cilantro Planting Calendar

Activity When Date Range
Start Indoors February 15 Feb 15 – Mar 1
Transplant Outdoors March 15 Mar 15 – Mar 29
Direct Sow March 8 Mar 8 – Mar 29
Harvest April 26 Apr 26 – Jun 28
Fall Sowing September 4 Sep 4 – Sep 18

Plant 0.5" deep Β· 8" apart Β· Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

40–60 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

236 days in Forsyth County

Growing Tips for Forsyth 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cilantro in Forsyth County, GA?

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

What planting zone is Forsyth County, GA?

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

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Forsyth 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 Forsyth County, GA. Local conditions may vary. Last updated: April 2026.