Blog

When to plant Lemon Thyme in Posey County, IN

In Posey County, Lemon Thyme is a spring-only crop. Plant April 15–April 29 once soil hits 50°F.

When to Plant Lemon Thyme in Posey 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.

Posey County, Indiana is in USDA Zone 7a. The average last spring frost is April 8 and the first fall frost is October 28, giving you a growing season of approximately 203 days.

At an elevation of 596 feet, Posey County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Lemon Thyme during the growing season.

Posey County, IN (Zone 7a) Long season
203 days
Last Spring Frost April 8
203 growing days
First Fall Frost October 28

Posey County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Lemon Thyme Planting Timeline — Posey County, IN

Lemon Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors April 15 Apr 15 – Apr 29
Harvest June 24 Jun 24 – Aug 26

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

203 days in Posey County

Growing Tips for Posey 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 Posey County, IN?

Posey County is in Zone 7a with an average last frost of April 8. Plan your Lemon Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Posey County, IN?

Posey County, Indiana is in USDA Hardiness Zone 7a. The average last spring frost is April 8 and first fall frost is October 28.

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

In Posey County, IN, plant Lemon Thyme after the last frost (around April 8) and before the first frost (around October 28). Best results when soil holds above 50°F.

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

Posey 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 Posey County's climate?

Yes — Lemon Thyme grows well in Posey County's temperate climate. Posey County averages a 203-day frost-free season, with last frost around April 8 and first frost around October 28.

🌱

Your Posey County Garden Planner — Free

A 22-page printable planner built for Posey 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.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Posey County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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