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When to plant Lemon Thyme in Conejos County, CO

Conejos County's short 100-day growing season means one Lemon Thyme planting between June 16 and June 30. No fall crop in Zone 5a.

When to Plant Lemon Thyme in Conejos County, CO

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.

Conejos County, Colorado is in USDA Zone 5a. The average last spring frost is June 9 and the first fall frost is September 17, giving you a growing season of approximately 100 days.

At an elevation of 6,770 feet, Conejos County receives approximately 24.1 inches of rainfall annually with predominantly loam soil. Summer highs average 82°F, so choose short-season varieties of Lemon Thyme to ensure they mature before fall.

Conejos County, CO (Zone 5a) Short season
100 days
Last Spring Frost June 9
100 growing days
First Fall Frost September 17

Conejos County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Lemon Thyme Planting Timeline — Conejos County, CO

Lemon Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors June 16 Jun 16 – Jun 30
Harvest August 25 Aug 25 – Oct 27

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May
June Transplant Outdoors
July
August Harvest
September Harvest
October Harvest
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 5a

📆 Growing Season

100 days in Conejos County

Growing Tips for Conejos 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 Conejos County, CO?

Conejos County is in Zone 5a with an average last frost of June 9. Plan your Lemon Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Conejos County, CO?

Conejos County, Colorado is in USDA Hardiness Zone 5a. The average last spring frost is June 9 and first fall frost is September 17.

When should I plant Lemon Thyme in Conejos County, CO?

In Conejos County, CO, plant Lemon Thyme after the last frost (around June 9) and before the first frost (around September 17). Best results when soil holds above 50°F.

What growing zone is Conejos County, CO for Lemon Thyme?

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

Can Lemon Thyme grow in Conejos County's climate?

Yes — Lemon Thyme grows well in Conejos County's temperate climate. Conejos County averages a 100-day frost-free season, with last frost around June 9 and first frost around September 17.

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Your Conejos County Garden Planner — Free

A 22-page printable planner built for Conejos County (Zone 5a). 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 Conejos County, CO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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