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When to Plant Thyme in Otero County, NM

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.

Otero County, New Mexico is in USDA Zone 8a. The average last spring frost is April 30 and the first fall frost is October 18, giving you a growing season of approximately 171 days.

At an elevation of 4,369 feet, Otero County receives approximately 13.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 88°F, providing good warmth for Thyme during the growing season. Sandy soil warms quickly in spring — great for early planting — but Thyme will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Thyme successfully. Mulch heavily to conserve soil moisture.

Otero County, NM (Zone 8a) Moderate season
171 days
Last Spring Frost April 30
171 growing days
First Fall Frost October 18

Otero County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Thyme Planting Timeline — Otero County, NM

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors May 7 May 7 – May 21
Harvest July 16 Jul 16 – Sep 17

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 8a

📆 Growing Season

171 days in Otero County

Growing Tips for Otero 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 Otero County, NM?

Otero County is in Zone 8a with an average last frost of April 30. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Otero County, NM?

Otero County, New Mexico is in USDA Hardiness Zone 8a. The average last spring frost is April 30 and first fall frost is October 18.

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Your Otero County Garden Planner — Free

A 22-page printable planner built for Otero County (Zone 8a). 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 Otero County, NM. Local conditions may vary. Last updated: June 2026.

Sources & credits

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