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When to Plant Valerian in Coffee 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.

Coffee County, Alabama is in USDA Zone 8a. The average last spring frost is March 12 and the first fall frost is November 14, giving you a growing season of approximately 247 days.

At an elevation of 342 feet, Coffee County receives approximately 55.7 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97ยฐF, so Valerian may need afternoon shade and extra watering during peak heat. 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.

Coffee County, AL (Zone 8a) Long season
247 days
Last Spring Frost March 12
247 growing days
First Fall Frost November 14

Coffee County Soil Profile

Soil Type

Clay Loam

Soil pH

5.8-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (16 days to spare)
Transplant: Mar 13 🍅 Harvest: Jul 17 – Oct 23
Recommended (50%) ✓ Fits season (16 days to spare)
Transplant: Mar 19 🍅 Harvest: Jul 23 – Oct 29
Safe Start (90%) ✓ Fits season (10 days to spare)
Transplant: Apr 10 🍅 Harvest: Aug 14 – Nov 20

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 ~3,412 GDD — county provides 5,619 GDD Excellent fit

Valerian Planting Timeline โ€” Coffee County, AL

Valerian Planting Calendar

Activity When Date Range
Transplant Outdoors March 19 Mar 19 โ€“ Apr 2
Harvest July 23 Jul 23 โ€“ Oct 29

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 8a

Growing Season

247 days

Growing Tips for Coffee 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 Coffee County, AL?

Coffee County is in Zone 8a with an average last frost of March 12. Plan your Valerian planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Coffee County, AL?

Coffee County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 12 and first fall frost is November 14.

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Plan Your Garden with Confidence

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