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When to plant Lemon Thyme in Vanderburgh County, IN

In Vanderburgh County, Lemon Thyme is a spring-only crop. Plant April 14–April 28 once soil hits 50°F.

When to Plant Lemon Thyme in Vanderburgh County, IN

Lemon thyme is a low-growing perennial herb with tiny, citrus-scented leaves. It combines the savory quality of thyme with a bright lemon flavor, excellent with fish and poultry.

Vanderburgh County, Indiana is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 29, giving you a growing season of approximately 205 days.

At an elevation of 901 feet, Vanderburgh County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Lemon Thyme during the growing season.

Vanderburgh County, IN (Zone 7a) Long season
205 days
Last Spring Frost April 7
205 growing days
First Fall Frost October 29

Vanderburgh County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.8

Drainage

Well Drained

Monthly Watering Guide for Lemon Thyme

Lemon 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 Lemon Thyme Needs Rainfall You Supplement Action
Jan 1.7" 0" ❄️ Dormant
Feb 1.6" 0" ❄️ Dormant
Mar 2.9" 0" ❄️ Dormant
Apr 4.3" 4.2" 0.1" 💧 Light watering
May 4.3" 5" 0" ✅ Rainfall sufficient
Jun 4.3" 5.1" 0" ✅ Rainfall sufficient
Jul 4.3" 3.9" 0.4" 💧 Light watering
Aug 4.3" 3.8" 0.5" 💧 Light watering
Sep 4.3" 3.5" 0.8" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 3.2" 0" ❄️ Dormant
Dec 2.4" 0" ❄️ Dormant

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

Lemon Thyme Planting Timeline — Vanderburgh County, IN

Lemon Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors April 14 Apr 14 – Apr 28
Harvest June 23 Jun 23 – Aug 25

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

Low — drought tolerant

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

205 days in Vanderburgh County

Growing Tips for Vanderburgh County

Start from cuttings or divisions. Plant in well-drained soil. Trim back after flowering. Use as a fragrant ground cover or edging plant along garden paths.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lemon Thyme in Vanderburgh County, IN?

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

What planting zone is Vanderburgh County, IN?

Vanderburgh County, Indiana is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 29.

When should I plant Lemon Thyme in Vanderburgh County, IN?

In Vanderburgh County, IN, plant Lemon Thyme after the last frost (around April 7) and before the first frost (around October 29). Best results when soil holds above 50°F.

What growing zone is Vanderburgh County, IN for Lemon Thyme?

Vanderburgh County sits in USDA Zone 7a. Lemon Thyme grows reliably in zones 5a through 9b, so it's a good fit here.

Can Lemon Thyme grow in Vanderburgh County's climate?

Yes — Lemon Thyme grows well in Vanderburgh County's temperate climate. Vanderburgh County averages a 205-day frost-free season, with last frost around April 7 and first frost around October 29.

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Your Vanderburgh County Garden Planner — Free

A 22-page printable planner built for Vanderburgh 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 Vanderburgh County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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