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When to plant Thyme in Bourbon County, KY

Bourbon County sits in cold Zone 6b. Plant Thyme April 23–May 7 for the single annual harvest; the October 26 first frost closes the window.

When to Plant Thyme in Bourbon County, KY

Thyme

Thyme is a low-growing perennial herb with tiny, aromatic leaves and a warm, earthy flavor. It is one of the most versatile culinary and medicinal herbs.

Bourbon County, Kentucky is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 26, giving you a growing season of approximately 193 days.

At an elevation of 3,419 feet, Bourbon County receives approximately 46.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Thyme during the growing season.

Bourbon County, KY (Zone 6b) Moderate season
193 days
Last Spring Frost April 16
193 growing days
First Fall Frost October 26

Bourbon County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-7.1

Drainage

Well Drained

Monthly Watering Guide for Thyme

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

Month Thyme Needs Rainfall You Supplement Action
Jan 4.5" 0" ❄️ Dormant
Feb 3.3" 0" ❄️ Dormant
Mar 3.9" 0" ❄️ Dormant
Apr 4.3" 3.2" 1.1" 💧 Light watering
May 4.3" 3.6" 0.7" 💧 Light watering
Jun 4.3" 4.6" 0" ✅ Rainfall sufficient
Jul 4.3" 5.1" 0" ✅ Rainfall sufficient
Aug 4.3" 4.4" 0" ✅ Rainfall sufficient
Sep 4.3" 3.2" 1.1" 💧 Light watering
Oct 4.3" 3.3" 1" 💧 Light watering
Nov 3.6" 0" ❄️ Dormant
Dec 3.7" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Bourbon County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Thyme Planting Timeline — Bourbon County, KY

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors April 23 Apr 23 – May 7
Harvest July 2 Jul 2 – Sep 3

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

193 days in Bourbon County

Growing Tips for Bourbon County

Start from seed, cuttings, or divisions. Plant in well-drained, lean soil. Prune lightly after flowering. Replace plants every 3-4 years when they become woody.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Thyme in Bourbon County, KY?

Bourbon County is in Zone 6b with an average last frost of April 16. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bourbon County, KY?

Bourbon County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 26.

When should I plant Thyme in Bourbon County, KY?

In Bourbon County, KY, plant Thyme after the last frost (around April 16) and before the first frost (around October 26). Best results when soil holds above 50°F.

What growing zone is Bourbon County, KY for Thyme?

Bourbon County sits in USDA Zone 6b. Thyme grows reliably in zones 4a through 9b, so it's a good fit here.

Can Thyme grow in Bourbon County's climate?

Yes — Thyme grows well in Bourbon County's temperate climate. Bourbon County averages a 193-day frost-free season, with last frost around April 16 and first frost around October 26.

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Your Bourbon County Garden Planner — Free

A 22-page printable planner built for Bourbon County (Zone 6b). 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 Bourbon County, KY. Local conditions may vary. Last updated: July 2026.

Sources & credits

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