When to plant Valerian in Macoupin County, IL
Macoupin County sits in cold Zone 6b. Plant Valerian April 18–May 2 for the single annual harvest; the October 21 first frost closes the window.
When to Plant Valerian in Macoupin County, IL
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.
Macoupin County, Illinois is in USDA Zone 6b. The average last spring frost is April 11 and the first fall frost is October 21, giving you a growing season of approximately 193 days.
At an elevation of 859 feet, Macoupin County receives approximately 30.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Valerian during the growing season.
Macoupin County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Valerian Planting Timeline — Macoupin County, IL
Valerian Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 18 | Apr 18 – May 2 |
| Harvest | August 22 | Aug 22 – Oct 31 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| 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 6b
📆 Growing Season
193 days in Macoupin County
Growing Tips for Macoupin 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 Macoupin County, IL?
Macoupin County is in Zone 6b with an average last frost of April 11. Plan your Valerian planting based on this frost date — see the calendar above for exact timing.
What planting zone is Macoupin County, IL?
Macoupin County, Illinois is in USDA Hardiness Zone 6b. The average last spring frost is April 11 and first fall frost is October 21.
When should I plant Valerian in Macoupin County, IL?
In Macoupin County, IL, plant Valerian after the last frost (around April 11) and before the first frost (around October 21). Best results when soil holds above 50°F.
What growing zone is Macoupin County, IL for Valerian?
Macoupin County sits in USDA Zone 6b. Valerian grows reliably in zones 3a through 9b, so it's a good fit here.
Can Valerian grow in Macoupin County's climate?
Yes — Valerian grows well in Macoupin County's temperate climate. Macoupin County averages a 193-day frost-free season, with last frost around April 11 and first frost around October 21.
Your Macoupin County Garden Planner — Free
A 22-page printable planner built for Macoupin County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.