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When to Plant Chervil in McLennan County, TX

Chervil is a delicate herb with a subtle anise-parsley flavor, essential in French cuisine as part of fines herbes. It prefers cool conditions and partial shade.

McLennan County, Texas is in USDA Zone 8b. The average last spring frost is March 14 and the first fall frost is November 14, giving you a growing season of approximately 245 days.

At an elevation of 1,643 feet, McLennan County receives approximately 66 inches of rainfall annually with predominantly clay soil. Summer highs average 91°F, providing good warmth for Chervil during the growing season. Clay soil retains moisture well for Chervil, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Chervil root diseases.

McLennan County, TX (Zone 8b) Long season
245 days
Last Spring Frost March 14
245 growing days
First Fall Frost November 14

McLennan County Soil Profile

Soil Type

Clay

Soil pH

6.9-7.9

Drainage

Well Drained

Monthly Watering Guide for Chervil

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

Month Chervil Needs Rainfall You Supplement Action
Jan 1.7" 0" ❄️ Dormant
Feb 2" 0" ❄️ Dormant
Mar 4.3" 4.4" 0" ✅ Rainfall sufficient
Apr 4.3" 6.8" 0" ✅ Rainfall sufficient
May 4.3" 10.6" 0" ✅ Rainfall sufficient
Jun 4.3" 9.7" 0" ✅ Rainfall sufficient
Jul 4.3" 8.9" 0" ✅ Rainfall sufficient
Aug 4.3" 7.2" 0" ✅ Rainfall sufficient
Sep 4.3" 6.7" 0" ✅ Rainfall sufficient
Oct 4.3" 4" 0.3" 💧 Light watering
Nov 4.3" 2.3" 2" 💧 Light watering
Dec 1.7" 0" ❄️ Dormant

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

Chervil Planting Timeline — McLennan County, TX

Chervil Planting Calendar

Activity When Date Range
Start Indoors February 7 Feb 7 – Feb 21
Transplant Outdoors March 7 Mar 7 – Mar 21
Direct Sow February 28 Feb 28 – Mar 21
Harvest April 18 Apr 18 – Jun 20
Fall Sowing September 5 Sep 5 – Sep 19

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

Month-by-Month Timeline

MonthActivities
January
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow
April Harvest
May Harvest
June Harvest
July
August
September Fall Sowing
October
November
December

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

245 days in McLennan County

Growing Tips for McLennan County

Direct sow in early spring or fall as chervil bolts in heat. Provide shade and cool conditions. Harvest outer leaves as needed; use fresh as it loses flavor when dried.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Chervil in McLennan County, TX?

McLennan County is in Zone 8b with an average last frost of March 14. Plan your Chervil planting based on this frost date — see the calendar above for exact timing.

What planting zone is McLennan County, TX?

McLennan County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 14 and first fall frost is November 14.

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Your McLennan County Garden Planner — Free

A 22-page printable planner built for McLennan 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.

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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 McLennan 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.