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When to plant Thyme in Starke County, IN

Plant Thyme in Starke County, between May 3 and May 17 — the only viable window. Zone 5b's short season (175 frost-free days) rules out a fall crop.

When to Plant Thyme in Starke County, IN

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.

Starke County, Indiana is in USDA Zone 5b. The average last spring frost is April 26 and the first fall frost is October 18, giving you a growing season of approximately 175 days.

At an elevation of 529 feet, Starke County receives approximately 35.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Thyme to ensure they mature before fall.

Starke County, IN (Zone 5b) Moderate season
175 days
Last Spring Frost April 26
175 growing days
First Fall Frost October 18

Starke County Soil Profile

Soil Type

Silt Loam

Soil pH

6.1-6.7

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 1.6" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.7" 0" ❄️ Dormant
Apr 4.3" 3.7" 0.6" 💧 Light watering
May 4.3" 3.7" 0.6" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 4.2" 0.1" 💧 Light watering
Aug 4.3" 3.7" 0.6" 💧 Light watering
Sep 4.3" 3" 1.3" 💧 Light watering
Oct 4.3" 2.7" 1.6" 💧 Light watering
Nov 2.2" 0" ❄️ Dormant
Dec 2.2" 0" ❄️ Dormant

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

Thyme Planting Timeline — Starke County, IN

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors May 3 May 3 – May 17
Harvest July 12 Jul 12 – Sep 13

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 5b

📆 Growing Season

175 days in Starke County

Growing Tips for Starke 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 Starke County, IN?

Starke County is in Zone 5b with an average last frost of April 26. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Starke County, IN?

Starke County, Indiana is in USDA Hardiness Zone 5b. The average last spring frost is April 26 and first fall frost is October 18.

When should I plant Thyme in Starke County, IN?

In Starke County, IN, plant Thyme after the last frost (around April 26) and before the first frost (around October 18). Best results when soil holds above 50°F.

What growing zone is Starke County, IN for Thyme?

Starke County sits in USDA Zone 5b. Thyme grows reliably in zones 4a through 9b, so it's a good fit here.

Can Thyme grow in Starke County's climate?

Yes — Thyme grows well in Starke County's temperate climate. Starke County averages a 175-day frost-free season, with last frost around April 26 and first frost around October 18.

🌱

Your Starke County Garden Planner — Free

A 22-page printable planner built for Starke County (Zone 5b). 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 Starke County, IN. Local conditions may vary. Last updated: July 2026.

Sources & credits

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