When to plant Valerian in Todd County, MN
In Todd County, Valerian is a single-season spring crop — there's no second fall window. Plant May 11–May 25 for an 120–180-day harvest, finishing well before the October 4 first frost.
When to Plant Valerian in Todd County, MN
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.
Todd County, Minnesota is in USDA Zone 4a. The average last spring frost is May 4 and the first fall frost is October 4, giving you a growing season of approximately 153 days.
At an elevation of 987 feet, Todd County receives approximately 33.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 81°F, so choose short-season varieties of Valerian to ensure they mature before fall.
Todd County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Valerian Planting Timeline — Todd County, MN
Valerian Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 11 | May 11 – May 25 |
| Harvest | September 14 | Sep 14 – Oct 5 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | — |
| August | — |
| 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 4a
📆 Growing Season
153 days in Todd County
Growing Tips for Todd 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 Todd County, MN?
Todd County is in Zone 4a with an average last frost of May 4. Plan your Valerian planting based on this frost date — see the calendar above for exact timing.
What planting zone is Todd County, MN?
Todd County, Minnesota is in USDA Hardiness Zone 4a. The average last spring frost is May 4 and first fall frost is October 4.
When should I plant Valerian in Todd County, MN?
In Todd County, MN, plant Valerian after the last frost (around May 4) and before the first frost (around October 4). Best results when soil holds above 50°F.
What growing zone is Todd County, MN for Valerian?
Todd County sits in USDA Zone 4a. Valerian grows reliably in zones 3a through 9b, so it's a good fit here.
Can Valerian grow in Todd County's climate?
Yes — Valerian grows well in Todd County's temperate climate. Todd County averages a 153-day frost-free season, with last frost around May 4 and first frost around October 4.
Your Todd County Garden Planner — Free
A 22-page printable planner built for Todd County (Zone 4a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.