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When to Plant Thyme in Lyons, TX

Thyme
Burleson County, Texas Zone 9a July

Your July planting checklist for Burleson County, Texas

A quick July briefing for Burleson County, Texas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 6
Avg. first frost November 20
Soil temp (4") 89°F
Watering Low
Pest pressure High
Daylight 13.8 hrs
  1. It's harvest week for thyme

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

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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.

Lyons, Texas is in USDA Zone 9a. The average last spring frost is March 6 and the first fall frost is November 20, giving you a growing season of approximately 259 days.

At an elevation of 154 feet, Burleson County receives approximately 59.4 inches of rainfall annually with predominantly clay soil. Summer highs average 93°F, providing good warmth for Thyme during the growing season. Clay soil retains moisture well for Thyme, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Thyme root diseases.

Lyons, TX (Zone 9a) Long season
259 days
Last Spring Frost March 6
259 growing days
First Fall Frost November 20

Lyons Soil Profile

Soil Type

Clay

Soil pH

7-7.8

Drainage

Well Drained

Thyme Planting Risk Windows

Early Start (70% safe) ✓ Fits season (120 days to spare)
Transplant: Mar 5 🍅 Harvest: May 14 – Jul 16
Recommended (50%) ✓ Fits season (119 days to spare)
Transplant: Mar 13 🍅 Harvest: May 22 – Jul 24
Safe Start (90%) ✓ Fits season (114 days to spare)
Transplant: Apr 12 🍅 Harvest: Jun 21 – Aug 23

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.

Soil Compatibility in Lyons

How your county's soil matches Thyme's growing requirements.

Soil pH

Your soil pH (7.0–7.8) is within Thyme's preferred range (6.0–8.0).

Soil Texture

Heavy clay soil (44% clay) in Burleson County compacts easily and drains slowly. Amend with compost and avoid working soil when wet.

Drainage

Thyme prefers dry conditions but your soil drains poorly. Use raised beds or mounded rows to prevent root rot.

Organic Matter

Organic matter is moderate (3.1%). Annual compost additions will help Thyme.

How to Plant Thyme

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Succession Planting Thyme

4
successive plantings in your 259-day season

Sow every 8 weeks. Last sowing by Aug 22 to harvest before frost.

Thyme Water Budget

Plant needs
0.3″/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 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Thyme

Thyme needs approximately 0.3 inches of water per week (1.3" per month). Here's how your county's rainfall compares month by month.

Month Thyme Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 2.1" 0" ❄️ Dormant
Mar 1.3" 4.1" 0" ✅ Rainfall sufficient
Apr 1.3" 7" 0" ✅ Rainfall sufficient
May 1.3" 7.7" 0" ✅ Rainfall sufficient
Jun 1.3" 8.4" 0" ✅ Rainfall sufficient
Jul 1.3" 6.7" 0" ✅ Rainfall sufficient
Aug 1.3" 7.9" 0" ✅ Rainfall sufficient
Sep 1.3" 5.8" 0" ✅ Rainfall sufficient
Oct 1.3" 4.2" 0" ✅ Rainfall sufficient
Nov 1.3" 2.1" 0" ✅ Rainfall sufficient
Dec 1.6" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Burleson County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Thyme Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Thyme needs ~1,580 GDD — county provides 5,115 GDD Excellent fit

Thyme Planting Timeline — Lyons, TX

Thyme Planting Calendar

Activity When Date Range
Transplant Outdoors March 13 Mar 13 – Mar 27
Harvest May 22 May 22 – Jul 24

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.3"/week · Natural rainfall sufficient

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–8 · Your soil: ideal

🗺️ USDA Zone

Zone 9a

📆 Growing Season

259 days in Burleson County

Growing Tips for Thyme in Lyons

Direct sow Thyme outdoors after March 06 in Burleson County when soil has warmed and frost danger has passed.

With Burleson County's clay soil (44% clay), work in 3-4 inches of compost before planting Thyme. Avoid tilling when soil is wet to prevent compaction.

With 59" of annual rainfall in Burleson County, ensure good drainage for Thyme — excess moisture can promote root rot and fungal diseases.

General growing tips

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 →

🌱

Your Burleson County Garden Planner — Free

A 22-page printable planner built for Burleson County (Zone 9a). 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 Burleson County, TX. Local conditions may vary. Last updated: July 2026.