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When to Plant Lavender in Calhoun County, TX

Lavender is a fragrant perennial herb with silvery foliage and purple flower spikes. It is prized for its essential oils, culinary uses, and ornamental beauty.

Calhoun County, Texas is in USDA Zone 9a. The average last spring frost is February 16 and the first fall frost is December 7, giving you a growing season of approximately 294 days.

At an elevation of 215 feet, Calhoun County receives approximately 59.5 inches of rainfall annually with predominantly loam soil. Summer highs average 99Β°F, so Lavender may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lavender root diseases.

Calhoun County, TX (Zone 9a) Year-round
294 days
Last Spring Frost February 16
294 growing days
First Fall Frost December 7

Calhoun County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.8

Drainage

Well Drained

Monthly Watering Guide for Lavender

Lavender needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Lavender Needs Rainfall You Supplement Action
Jan β€” 1.4" 0" ❄️ Dormant
Feb 4.3" 2.2" 2.1" πŸ’§ Light watering
Mar 4.3" 4.6" 0" βœ… Rainfall sufficient
Apr 4.3" 6.7" 0" βœ… Rainfall sufficient
May 4.3" 8.5" 0" βœ… Rainfall sufficient
Jun 4.3" 9.1" 0" βœ… Rainfall sufficient
Jul 4.3" 7.3" 0" βœ… Rainfall sufficient
Aug 4.3" 6.6" 0" βœ… Rainfall sufficient
Sep 4.3" 5.2" 0" βœ… Rainfall sufficient
Oct 4.3" 3.9" 0.4" πŸ’§ Light watering
Nov 4.3" 2.2" 2.1" πŸ’§ Light watering
Dec 4.3" 1.9" 2.4" 🚿 Regular watering

Water needs are for active growing months only (Feb–Dec in Calhoun County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Lavender Planting Timeline β€” Calhoun County, TX

Lavender Planting Calendar

Activity When Date Range
Transplant Outdoors February 23 Feb 23 – Mar 9
Harvest May 25 May 25 – Oct 26

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

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Low β€” drought tolerant

πŸ“… Days to Maturity

90–200 days

πŸ§ͺ Soil pH

Needs 6.5–8 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 9a

πŸ“† Growing Season

294 days in Calhoun County

Growing Tips for Calhoun County

Plant in well-drained, sandy soil. Avoid heavy mulching around the crown. Prune after flowering but do not cut into old wood. Lavender resents wet winter conditions.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lavender in Calhoun County, TX?

Calhoun County is in Zone 9a with an average last frost of February 16. Plan your Lavender planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Calhoun County, TX?

Calhoun County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 16 and first fall frost is December 7.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Calhoun County gardeners in Zone 9a 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 Calhoun County, TX. Local conditions may vary. Last updated: April 2026.