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When to plant Tarragon in Grayson County, KY

Plant Tarragon in Grayson County during the brief April 13–April 27 window. With 205 frost-free days, fall plantings can't mature before October 28.

When to Plant Tarragon in Grayson County, KY

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.

Grayson County, Kentucky is in USDA Zone 7a. The average last spring frost is April 6 and the first fall frost is October 28, giving you a growing season of approximately 205 days.

At an elevation of 1,089 feet, Grayson County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Tarragon during the growing season.

Grayson County, KY (Zone 7a) Long season
205 days
Last Spring Frost April 6
205 growing days
First Fall Frost October 28

Grayson County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Tarragon Planting Timeline — Grayson County, KY

Tarragon Planting Calendar

Activity When Date Range
Transplant Outdoors April 13 Apr 13 – Apr 27
Harvest June 15 Jun 15 – Aug 24

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

205 days in Grayson County

Growing Tips for Grayson 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 Grayson County, KY?

Grayson County is in Zone 7a with an average last frost of April 6. Plan your Tarragon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Grayson County, KY?

Grayson County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 6 and first fall frost is October 28.

When should I plant Tarragon in Grayson County, KY?

In Grayson County, KY, plant Tarragon after the last frost (around April 6) and before the first frost (around October 28). Best results when soil holds above 50°F.

What growing zone is Grayson County, KY for Tarragon?

Grayson County sits in USDA Zone 7a. Tarragon grows reliably in zones 4a through 9b, so it's a good fit here.

Can Tarragon grow in Grayson County's climate?

Yes — Tarragon grows well in Grayson County's temperate climate. Grayson County averages a 205-day frost-free season, with last frost around April 6 and first frost around October 28.

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Your Grayson County Garden Planner — Free

A 22-page printable planner built for Grayson County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Grayson County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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