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When to Plant Thyme in Llano County, TX

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.

Llano County, Texas is in USDA Zone 8b. The average last spring frost is March 19 and the first fall frost is November 13, giving you a growing season of approximately 239 days.

At an elevation of 1,968 feet, Llano County receives approximately 50.4 inches of rainfall annually with predominantly loam soil. Summer highs average 92°F, providing good warmth for Thyme during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Thyme root diseases.

Llano County, TX (Zone 8b) Long season
239 days
Last Spring Frost March 19
239 growing days
First Fall Frost November 13

Llano County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Thyme Planting Timeline — Llano County, TX

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors March 26 Mar 26 – Apr 9
Harvest June 4 Jun 4 – Aug 6

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

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May
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 8b

📆 Growing Season

239 days in Llano County

Growing Tips for Llano 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 Llano County, TX?

Llano County is in Zone 8b with an average last frost of March 19. Plan your Thyme planting based on this frost date — see the calendar above for exact timing.

What planting zone is Llano County, TX?

Llano County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 19 and first fall frost is November 13.

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Your Llano County Garden Planner — Free

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.