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When to plant Thyme in Pettis County, MO

In Pettis County, Thyme is a single-season spring crop — there's no second fall window. Plant April 20–May 4 for an 70–90-day harvest, finishing well before the October 24 first frost.

When to Plant Thyme in Pettis County, MO

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.

Pettis County, Missouri is in USDA Zone 6b. The average last spring frost is April 13 and the first fall frost is October 24, giving you a growing season of approximately 194 days.

At an elevation of 1,167 feet, Pettis County receives approximately 30.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Thyme during the growing season.

Pettis County, MO (Zone 6b) Moderate season
194 days
Last Spring Frost April 13
194 growing days
First Fall Frost October 24

Pettis County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Thyme Planting Timeline — Pettis County, MO

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors April 20 Apr 20 – May 4
Harvest June 29 Jun 29 – Aug 31

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May Transplant Outdoors
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 6b

📆 Growing Season

194 days in Pettis County

Growing Tips for Pettis 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 Pettis County, MO?

Pettis County is in Zone 6b with an average last frost of April 13. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Pettis County, MO?

Pettis County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 13 and first fall frost is October 24.

When should I plant Thyme in Pettis County, MO?

In Pettis County, MO, plant Thyme after the last frost (around April 13) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Pettis County, MO for Thyme?

Pettis County sits in USDA Zone 6b. Thyme grows reliably in zones 4a through 9b, so it's a good fit here.

Can Thyme grow in Pettis County's climate?

Yes — Thyme grows well in Pettis County's temperate climate. Pettis County averages a 194-day frost-free season, with last frost around April 13 and first frost around October 24.

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Your Pettis County Garden Planner — Free

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

Sources & credits

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