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When to Plant Thyme in Livingston County, KY

Livingston County, Kentucky Zone 7a May

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Avg. last frost March 29
Avg. first frost November 1
Soil temp (4") 51°F
Watering Moderate
Pest pressure Low
Daylight 14 hrs
Before June arrives, get these ready
  • First harvests: thyme

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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.

Livingston County, Kentucky is in USDA Zone 7a. The average last spring frost is March 29 and the first fall frost is November 1, giving you a growing season of approximately 217 days.

At an elevation of 3,902 feet, Livingston County receives approximately 40.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Thyme during the growing season.

Livingston County, KY (Zone 7a) Long season
217 days
Last Spring Frost March 29
217 growing days
First Fall Frost November 1
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Livingston County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (78 days to spare)
Transplant: Mar 29 🍅 Harvest: Jun 7 – Aug 9
Recommended (50%) ✓ Fits season (77 days to spare)
Transplant: Apr 5 🍅 Harvest: Jun 14 – Aug 16
Safe Start (90%) ✓ Fits season (78 days to spare)
Transplant: Apr 23 🍅 Harvest: Jul 2 – Sep 3

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.

Soil Compatibility in Livingston County

How your county's soil matches Thyme's growing requirements.

Soil pH

Your soil pH (5.4–6.6) overlaps with Thyme's range (6.0–8.0), though not a perfect match.

Soil Texture

The silt loam soil in Livingston County is excellent for Thyme — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Thyme prefers dry conditions but your soil drains poorly. Use raised beds or mounded rows to prevent root rot.

Organic Matter

Organic matter is moderate (2.9%). Annual compost additions will help Thyme.

How to Plant Thyme

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Succession Planting Thyme

3
successive plantings in your 217-day season

Sow every 8 weeks. Last sowing by Aug 03 to harvest before frost.

Plant Water Budget

Plant needs
0.3″/week
Rainfall provides
0.8″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Thyme

Thyme needs approximately 0.3 inches of water per week (1.3" per month). Here's how your county's rainfall compares month by month.

Month Thyme Needs Rainfall You Supplement Action
Jan 3.2" 0" ❄️ Dormant
Feb 3.5" 0" ❄️ Dormant
Mar 1.3" 3.7" 0" ✅ Rainfall sufficient
Apr 1.3" 3.5" 0" ✅ Rainfall sufficient
May 1.3" 2.8" 0" ✅ Rainfall sufficient
Jun 1.3" 3.8" 0" ✅ Rainfall sufficient
Jul 1.3" 4.7" 0" ✅ Rainfall sufficient
Aug 1.3" 3.6" 0" ✅ Rainfall sufficient
Sep 1.3" 3.1" 0" ✅ Rainfall sufficient
Oct 1.3" 2.4" 0" ✅ Rainfall sufficient
Nov 1.3" 3.2" 0" ✅ Rainfall sufficient
Dec 3.3" 0" ❄️ Dormant

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

Thyme Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Thyme needs ~1,160 GDD — county provides 3,146 GDD Excellent fit

Thyme Planting Timeline — Livingston County, KY

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors April 5 Apr 5 – Apr 19
Harvest June 14 Jun 14 – Aug 16

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
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.3"/week · Natural rainfall sufficient

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–8 · Your soil: acceptable

🗺️ USDA Zone

Zone 7a

📆 Growing Season

217 days in Livingston County

Growing Tips for Thyme in Livingston County

Direct sow Thyme outdoors after March 29 in Livingston County when soil has warmed and frost danger has passed.

General growing tips

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 Livingston County, KY?

Livingston County is in Zone 7a with an average last frost of March 29. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Livingston County, KY?

Livingston County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is March 29 and first fall frost is November 1.

🌱

Your Livingston County Garden Planner — Free

A 24-page printable planner built for Livingston 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 Livingston County, KY. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.