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When to plant Lemon Thyme in LaPorte County, IN

Plant Lemon Thyme in LaPorte County during the brief May 4–May 18 window. With 180 frost-free days, fall plantings can't mature before October 24.

When to Plant Lemon Thyme in LaPorte 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.

LaPorte County, Indiana is in USDA Zone 6a. The average last spring frost is April 27 and the first fall frost is October 24, giving you a growing season of approximately 180 days.

At an elevation of 1,120 feet, LaPorte County receives approximately 38.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Lemon Thyme during the growing season.

LaPorte County, IN (Zone 6a) Moderate season
180 days
Last Spring Frost April 27
180 growing days
First Fall Frost October 24

LaPorte County Soil Profile

Soil Type

Silt Loam

Soil pH

5.8-7

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 1.5" 0" ❄️ Dormant
Feb 1.6" 0" ❄️ Dormant
Mar 2.9" 0" ❄️ Dormant
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 4.3" 0" ✅ Rainfall sufficient
Jun 4.3" 4.3" 0" ✅ Rainfall sufficient
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.1" 0.2" 💧 Light watering
Sep 4.3" 4.1" 0.2" 💧 Light watering
Oct 4.3" 3.2" 1.1" 💧 Light watering
Nov 2.4" 0" ❄️ Dormant
Dec 2.4" 0" ❄️ Dormant

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

Lemon Thyme Planting Timeline — LaPorte County, IN

Lemon Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors May 4 May 4 – May 18
Harvest July 13 Jul 13 – Sep 14

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
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 6a

📆 Growing Season

180 days in LaPorte County

Growing Tips for LaPorte 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 LaPorte County, IN?

LaPorte County is in Zone 6a with an average last frost of April 27. Plan your Lemon Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is LaPorte County, IN?

LaPorte County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 27 and first fall frost is October 24.

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

In LaPorte County, IN, plant Lemon Thyme after the last frost (around April 27) and before the first frost (around October 24). Best results when soil holds above 50°F.

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

LaPorte County sits in USDA Zone 6a. Lemon Thyme grows reliably in zones 5a through 9b, so it's a good fit here.

Can Lemon Thyme grow in LaPorte County's climate?

Yes — Lemon Thyme grows well in LaPorte County's temperate climate. LaPorte County averages a 180-day frost-free season, with last frost around April 27 and first frost around October 24.

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Your LaPorte County Garden Planner — Free

A 22-page printable planner built for LaPorte County (Zone 6a). 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 LaPorte County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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