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When to Plant Tarragon in Barrow County, GA

French tarragon is a perennial herb with slender leaves and a distinctive anise-like flavor essential in French cooking. It does not produce viable seed and must be propagated vegetatively.

Barrow County, Georgia is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 13, giving you a growing season of approximately 235 days.

At an elevation of 438 feet, Barrow County receives approximately 60.5 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93Β°F, providing good warmth for Tarragon during the growing season. Clay soil retains moisture well for Tarragon, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Tarragon root diseases.

Barrow County, GA (Zone 7b) Long season
235 days
Last Spring Frost March 23
235 growing days
First Fall Frost November 13

Barrow County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.7

Drainage

Well Drained

Monthly Watering Guide for Tarragon

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

Month Tarragon Needs Rainfall You Supplement Action
Jan β€” 4.5" 0" ❄️ Dormant
Feb β€” 5.4" 0" ❄️ Dormant
Mar 4.3" 6.5" 0" βœ… Rainfall sufficient
Apr 4.3" 4.3" 0" βœ… Rainfall sufficient
May 4.3" 5.1" 0" βœ… Rainfall sufficient
Jun 4.3" 5.1" 0" βœ… Rainfall sufficient
Jul 4.3" 6.6" 0" βœ… Rainfall sufficient
Aug 4.3" 5.4" 0" βœ… Rainfall sufficient
Sep 4.3" 4.6" 0" βœ… Rainfall sufficient
Oct 4.3" 3.5" 0.8" πŸ’§ Light watering
Nov 4.3" 5.3" 0" βœ… Rainfall sufficient
Dec β€” 4.2" 0" ❄️ Dormant

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

Tarragon Planting Timeline β€” Barrow County, GA

Tarragon Planting Calendar

Activity When Date Range
Transplant Outdoors March 30 Mar 30 – Apr 13
Harvest June 1 Jun 1 – Aug 10

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

Month-by-Month Timeline

MonthActivities
January β€”
February β€”
March Transplant Outdoors
April Transplant Outdoors
May β€”
June Harvest
July Harvest
August Harvest
September β€”
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

60–90 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

235 days in Barrow County

Growing Tips for Barrow County

Purchase plants or divisions as French tarragon does not grow true from seed. Plant in well-drained soil. Divide every 3-4 years to maintain vigor. Harvest tips regularly for best flavor.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Tarragon in Barrow County, GA?

Barrow County is in Zone 7b with an average last frost of March 23. Plan your Tarragon planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Barrow County, GA?

Barrow County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 23 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 Barrow 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 Barrow County, GA. Local conditions may vary. Last updated: April 2026.