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When to Plant Valerian in Pecos 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.

Pecos County, Texas is in USDA Zone 7b. The average last spring frost is March 13 and the first fall frost is November 15, giving you a growing season of approximately 247 days.

At an elevation of 1,445 feet, Pecos County receives approximately 42.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 103ยฐF, so Valerian may need afternoon shade and extra watering during peak heat. 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.

Pecos County, TX (Zone 7b) Long season
247 days
Last Spring Frost March 13
247 growing days
First Fall Frost November 15

Pecos County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.4-8.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (21 days to spare)
Transplant: Mar 11 🍅 Harvest: Jul 15 – Oct 21
Recommended (50%) ✓ Fits season (16 days to spare)
Transplant: Mar 20 🍅 Harvest: Jul 24 – Oct 30
Safe Start (90%) ✓ Fits season (7 days to spare)
Transplant: Apr 15 🍅 Harvest: Aug 19 – Nov 25

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
1.0″/week
Rainfall provides
0.7″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 745 gal / 100 sq ft
Drought risk

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

Valerian needs ~4,088 GDD — county provides 6,730 GDD Excellent fit

Valerian Planting Timeline โ€” Pecos County, TX

Valerian Planting Calendar

Activity When Date Range
Transplant Outdoors March 20 Mar 20 โ€“ Apr 3
Harvest July 24 Jul 24 โ€“ Oct 30

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 โ€”
July Harvest
August Harvest
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

120โ€“180 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 7b

Growing Season

247 days

Growing Tips for Pecos 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Valerian in Pecos County, TX?

Pecos County is in Zone 7b with an average last frost of March 13. Plan your Valerian planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Pecos County, TX?

Pecos County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 13 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 Pecos 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 Pecos County, TX. Local conditions may vary. Last updated: April 2026.