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When to Plant Thyme in Baylor County, TX

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.

Baylor County, Texas is in USDA Zone 7b. The average last spring frost is March 21 and the first fall frost is November 15, giving you a growing season of approximately 239 days.

At an elevation of 2,365 feet, Baylor County receives approximately 56.1 inches of rainfall annually with predominantly loam soil. Summer highs average 92ยฐF, providing good warmth for Thyme during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Thyme root diseases.

Baylor County, TX (Zone 7b) Long season
239 days
Last Spring Frost March 21
239 growing days
First Fall Frost November 15

Baylor County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (95 days to spare)
Transplant: Mar 21 🍅 Harvest: May 30 – Aug 1
Recommended (50%) ✓ Fits season (99 days to spare)
Transplant: Mar 28 🍅 Harvest: Jun 6 – Aug 8
Safe Start (90%) ✓ Fits season (87 days to spare)
Transplant: Apr 20 🍅 Harvest: Jun 29 – Aug 31

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Thyme needs ~1,520 GDD — county provides 4,541 GDD Excellent fit

Thyme Planting Timeline โ€” Baylor County, TX

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors March 28 Mar 28 โ€“ Apr 11
Harvest June 6 Jun 6 โ€“ Aug 8

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Transplant Outdoors
April Transplant Outdoors
May โ€”
June Harvest
July Harvest
August Harvest
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

70โ€“90 days

Soil pH

6 โ€“ 8

USDA Zone

Zone 7b

Growing Season

239 days

Growing Tips for Baylor 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Thyme in Baylor County, TX?

Baylor County is in Zone 7b with an average last frost of March 21. Plan your Thyme planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Baylor County, TX?

Baylor County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 21 and first fall frost is November 15.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Baylor County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

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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 Baylor County, TX. Local conditions may vary. Last updated: April 2026.