Blog

When to Plant Valerian in Winston County, AL

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.

Winston County, Alabama is in USDA Zone 7a. The average last spring frost is March 30 and the first fall frost is November 3, giving you a growing season of approximately 218 days.

At an elevation of 281 feet, Winston County receives approximately 51.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94ยฐF, providing good warmth for Valerian during the growing season. Clay soil retains moisture well for Valerian, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Valerian root diseases.

Winston County, AL (Zone 7a) Long season
218 days
Last Spring Frost March 30
218 growing days
First Fall Frost November 3

Winston County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Mar 29 🍅 Harvest: Aug 2 – Nov 8
Recommended (50%) ✗ May not fit
Transplant: Apr 6 🍅 Harvest: Aug 10 – Nov 16
Safe Start (90%) ✗ May not fit
Transplant: Apr 26 🍅 Harvest: Aug 30 – Dec 6

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
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Valerian needs ~3,075 GDD — county provides 4,469 GDD Excellent fit

Valerian Planting Timeline โ€” Winston County, AL

Valerian Planting Calendar

Activity When Date Range
Transplant Outdoors April 6 Apr 6 โ€“ Apr 20
Harvest August 10 Aug 10 โ€“ Nov 16

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Transplant Outdoors
May โ€”
June โ€”
July โ€”
August Harvest
September Harvest
October Harvest
November Harvest
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 7a

Growing Season

218 days

Growing Tips for Winston 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 Winston County, AL?

Winston County is in Zone 7a with an average last frost of March 30. Plan your Valerian planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Winston County, AL?

Winston County, Alabama is in USDA Hardiness Zone 7a. The average last spring frost is March 30 and first fall frost is November 3.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Winston County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Winston County, AL. Local conditions may vary. Last updated: April 2026.