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When to Plant Valerian in Walker County, TX

Valerian is a tall perennial herb with fragrant white or pink flower clusters, valued for its root which is used as a natural sleep aid. It attracts pollinators and earthworms.

Walker County, Texas is in USDA Zone 8b. The average last spring frost is February 26 and the first fall frost is November 27, giving you a growing season of approximately 274 days.

At an elevation of 38 feet, Walker County receives approximately 72.6 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 90ยฐF, providing good warmth for Valerian during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Valerian will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Valerian root diseases.

Walker County, TX (Zone 8b) Year-round
274 days
Last Spring Frost February 26
274 growing days
First Fall Frost November 27

Walker County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.4-6.6

Drainage

Well Drained

Monthly Watering Guide for Valerian

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

Month Valerian Needs Rainfall You Supplement Action
Jan โ€” 1.7" 0" โ„๏ธ Dormant
Feb 4.3" 2.1" 2.2" ๐Ÿšฟ Regular watering
Mar 4.3" 5.1" 0" โœ… Rainfall sufficient
Apr 4.3" 7.6" 0" โœ… Rainfall sufficient
May 4.3" 12.1" 0" โœ… Rainfall sufficient
Jun 4.3" 9.9" 0" โœ… Rainfall sufficient
Jul 4.3" 10.2" 0" โœ… Rainfall sufficient
Aug 4.3" 9.6" 0" โœ… Rainfall sufficient
Sep 4.3" 5.9" 0" โœ… Rainfall sufficient
Oct 4.3" 4.2" 0.1" ๐Ÿ’ง Light watering
Nov 4.3" 2.3" 2" ๐Ÿ’ง Light watering
Dec โ€” 1.7" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Febโ€“Nov in Walker County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Valerian Planting Timeline โ€” Walker County, TX

Valerian Planting Calendar

Activity When Date Range
Transplant Outdoors March 5 Mar 5 โ€“ Mar 19
Harvest July 9 Jul 9 โ€“ Oct 15

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Partial Shade (3-6 hours)

๐Ÿ’ง Water

Moderate โ€” regular watering

๐Ÿ“… Days to Maturity

120โ€“180 days

๐Ÿงช Soil pH

Needs 5.5โ€“7 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 8b

๐Ÿ“† Growing Season

274 days in Walker County

Growing Tips for Walker County

Start seeds indoors and transplant after last frost. Harvest roots in fall of the second year. Deadhead flowers unless you want self-seeding. Cats are attracted to valerian root.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Valerian in Walker County, TX?

Walker County is in Zone 8b with an average last frost of February 26. Plan your Valerian planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Walker County, TX?

Walker County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is February 26 and first fall frost is November 27.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Walker County gardeners in Zone 8b 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 Walker County, TX. Local conditions may vary. Last updated: April 2026.