Blog

When to plant Thyme in Fowler, CO

Plant Thyme in Fowler during the brief May 3–May 17 window. With 166 frost-free days, fall plantings can't mature before October 9.

When to Plant Thyme in Fowler, CO

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.

Fowler, Colorado is in USDA Zone 6a. The average last spring frost is April 26 and the first fall frost is October 9, giving you a growing season of approximately 166 days.

At an elevation of 4,145 feet, Otero County receives approximately 14.2 inches of rainfall annually with predominantly loam soil. Summer highs average 90°F, providing good warmth for Thyme during the growing season. With low rainfall, drip irrigation is essential for growing Thyme successfully. Mulch heavily to conserve soil moisture.

Fowler, CO (Zone 6a) Moderate season
166 days
Last Spring Frost April 26
166 growing days
First Fall Frost October 9

Fowler Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Thyme Planting Timeline — Fowler, CO

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 6a

📆 Growing Season

166 days in Otero County

Growing Tips for Fowler

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 →

When should I plant Thyme in Fowler, CO?

In Fowler, CO, plant Thyme after the last frost (around April 26) and before the first frost (around October 9). Best results when soil holds above 50°F.

What growing zone is Fowler, CO for Thyme?

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

Can Thyme grow in Fowler's climate?

Yes — Thyme grows well in Fowler's temperate climate. Fowler averages a 166-day frost-free season, with last frost around April 26 and first frost around October 9.

🌱

Your Otero County Garden Planner — Free

A 22-page printable planner built for Otero 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.

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 Otero County, CO. Local conditions may vary. Last updated: July 2026.