When to Plant Valerian in Piscataquis County, ME
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.
Piscataquis County, Maine is in USDA Zone 3b. The average last spring frost is May 19 and the first fall frost is September 28, giving you a growing season of approximately 132 days.
At an elevation of 727 feet, Piscataquis County receives approximately 49.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 78°F, so choose short-season varieties of Valerian to ensure they mature before fall.
Piscataquis County Soil Profile
Soil Type
Silt Loam
Soil pH
5-6.5
Drainage
Well Drained
Plant Planting Risk Windows
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
Valerian Planting Timeline — Piscataquis County, ME
Valerian Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 26 | May 26 – Jun 9 |
| Harvest | September 29 | Sep 29 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | Transplant Outdoors |
| July | — |
| August | — |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
120–180 days
Soil pH
5.5 – 7
USDA Zone
Zone 3b
Growing Season
132 days
Growing Tips for Piscataquis 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
Valerian in Other Locations
Frequently Asked Questions
When should I plant Valerian in Piscataquis County, ME?
Piscataquis County is in Zone 3b with an average last frost of May 19. Plan your Valerian planting based on this frost date — see the calendar above for exact timing.
What planting zone is Piscataquis County, ME?
Piscataquis County, Maine is in USDA Hardiness Zone 3b. The average last spring frost is May 19 and first fall frost is September 28.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Piscataquis County gardeners in Zone 3b organize planting dates, track what's growing, and never miss a planting window.
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