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When to Plant Valerian in Leon County, FL

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.

Leon County, Florida is in USDA Zone 8b. The average last spring frost is March 11 and the first fall frost is November 21, giving you a growing season of approximately 255 days.

At an elevation of 250 feet, Leon County receives approximately 53.9 inches of rainfall annually with predominantly sand soil. Summer highs average 95ยฐF, 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. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Valerian root diseases.

Leon County, FL (Zone 8b) Long season
255 days
Last Spring Frost March 11
255 growing days
First Fall Frost November 21

Leon County Soil Profile

Soil Type

Sand

Soil pH

4.8-5.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (22 days to spare)
Transplant: Mar 10 🍅 Harvest: Jul 14 – Oct 20
Recommended (50%) ✓ Fits season (24 days to spare)
Transplant: Mar 18 🍅 Harvest: Jul 22 – Oct 28
Safe Start (90%) ✓ Fits season (21 days to spare)
Transplant: Apr 11 🍅 Harvest: Aug 15 – Nov 21

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.

Soil Compatibility in Leon County

How your county's soil matches Valerian's growing requirements.

Soil pH

Your soil pH (4.8โ€“5.7) is more acidic than Valerian prefers (5.5โ€“7.0). Add garden lime to raise pH.

Soil Texture

Sandy soil in Leon County warms quickly in spring but drains fast. Valerian will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Valerian.

Organic Matter

Organic matter is low (1.3%). Add 2-3 inches of compost before planting Valerian.

How to Plant Valerian

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 936 gal / 100 sq ft
Valerian needs ~3,188 GDD — county provides 5,418 GDD Excellent fit

Valerian Planting Timeline โ€” Leon County, FL

Valerian Planting Calendar

Activity When Date Range
Transplant Outdoors March 18 Mar 18 โ€“ Apr 1
Harvest July 22 Jul 22 โ€“ Oct 28

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

โ˜€๏ธ Sun

Partial Shade (3-6 hours)

๐Ÿ’ง Water

1"/week ยท 1-2 times/week

๐Ÿ“… Days to Maturity

120โ€“180 days

๐Ÿงช Soil pH

Needs 5.5โ€“7 ยท Your soil: too_acidic

๐Ÿ—บ๏ธ USDA Zone

Zone 8b

๐Ÿ“† Growing Season

255 days in Leon County

Growing Tips for Valerian in Leon County

Direct sow Valerian outdoors after March 11 in Leon County when soil has warmed and frost danger has passed.

Sandy soil in Leon County dries quickly โ€” mulch Valerian with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

General growing tips

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 Leon County, FL?

Leon County is in Zone 8b with an average last frost of March 11. Plan your Valerian planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Leon County, FL?

Leon County, Florida is in USDA Hardiness Zone 8b. The average last spring frost is March 11 and first fall frost is November 21.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Leon 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 Leon County, FL. Local conditions may vary. Last updated: April 2026.