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When to Plant Valerian in Reno County, KS

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.

Reno County, Kansas is in USDA Zone 6a. The average last spring frost is April 16 and the first fall frost is October 22, giving you a growing season of approximately 189 days.

At an elevation of 635 feet, Reno County receives approximately 28.3 inches of rainfall annually with predominantly loam soil. Summer highs average 91ยฐF, providing good warmth for Valerian during the growing season.

Reno County, KS (Zone 6a) Moderate season
189 days
Last Spring Frost April 16
189 growing days
First Fall Frost October 22

Reno County Soil Profile

Soil Type

Loam

Soil pH

6.5-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: Apr 20 🍅 Harvest: Aug 24 – Nov 2
Recommended (50%) ✗ May not fit
Transplant: Apr 23 🍅 Harvest: Aug 27 – Nov 5
Safe Start (90%) ✗ May not fit
Transplant: May 8 🍅 Harvest: Sep 11 – 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
0.6″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 749 gal / 100 sq ft
Drought risk

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

Valerian needs ~2,738 GDD — county provides 3,449 GDD Good fit

Valerian Planting Timeline โ€” Reno County, KS

Valerian Planting Calendar

Activity When Date Range
Transplant Outdoors April 23 Apr 23 โ€“ May 7
Harvest August 27 Aug 27 โ€“ Nov 5

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 Transplant Outdoors
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 6a

Growing Season

189 days

Growing Tips for Reno 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 Reno County, KS?

Reno County is in Zone 6a with an average last frost of April 16. Plan your Valerian planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Reno County, KS?

Reno County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 16 and first fall frost is October 22.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Reno County gardeners in Zone 6a 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 Reno County, KS. Local conditions may vary. Last updated: April 2026.