When to plant Valerian in Jackson County, AR
Jackson County sits in cold Zone 8a. Plant Valerian April 2–April 16 for the single annual harvest; the November 4 first frost closes the window.
When to Plant Valerian in Jackson County, AR
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.
Jackson County, Arkansas is in USDA Zone 8a. The average last spring frost is March 26 and the first fall frost is November 4, giving you a growing season of approximately 223 days.
At an elevation of 1,468 feet, Jackson County receives approximately 47.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Valerian during the growing season.
Jackson County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Valerian Planting Timeline — Jackson County, AR
Valerian Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 2 | Apr 2 – Apr 16 |
| Harvest | August 6 | Aug 6 – Nov 12 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
120–180 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 8a
📆 Growing Season
223 days in Jackson County
Growing Tips for Jackson 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
Check more plant combinations with our Companion Planting Checker →
Valerian in Other Locations
Frequently Asked Questions
When should I plant Valerian in Jackson County, AR?
Jackson County is in Zone 8a with an average last frost of March 26. Plan your Valerian planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jackson County, AR?
Jackson County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 26 and first fall frost is November 4.
When should I plant Valerian in Jackson County, AR?
In Jackson County, AR, plant Valerian after the last frost (around March 26) and before the first frost (around November 4). Best results when soil holds above 50°F.
What growing zone is Jackson County, AR for Valerian?
Jackson County sits in USDA Zone 8a. Valerian grows reliably in zones 3a through 9b, so it's a good fit here.
Can Valerian grow in Jackson County's climate?
Yes — Valerian grows well in Jackson County's temperate climate. Jackson County averages a 223-day frost-free season, with last frost around March 26 and first frost around November 4.
Your Jackson County Garden Planner — Free
A 22-page printable planner built for Jackson County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.