When to plant Comfrey in Butte County County,
Butte County County sits in cold Zone 5a. Plant Comfrey June 8–June 22 for the single annual harvest; the September 14 first frost closes the window.
When to Plant Comfrey in Butte County, ID
Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.
Butte County, Idaho is in USDA Zone 5a. The average last spring frost is June 1 and the first fall frost is September 14, giving you a growing season of approximately 105 days.
At an elevation of 7,254 feet, Butte County receives approximately 24 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Comfrey to ensure they mature before fall.
Butte County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Comfrey Planting Timeline — Butte County, ID
Comfrey Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 8 | Jun 8 – Jun 22 |
| Harvest | August 10 | Aug 10 – Oct 19 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5a
📆 Growing Season
105 days in Butte County
Growing Tips for Butte County
Plant root cuttings 2 inches deep. Choose Bocking 14 variety to prevent self-seeding. Cut leaves 3-4 times per season for mulch or compost. Avoid planting near pathways as it spreads.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Comfrey in Other Locations
Frequently Asked Questions
When should I plant Comfrey in Butte County, ID?
Butte County is in Zone 5a with an average last frost of June 1. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.
What planting zone is Butte County, ID?
Butte County, Idaho is in USDA Hardiness Zone 5a. The average last spring frost is June 1 and first fall frost is September 14.
When should I plant Comfrey in Butte County County, ?
In Butte County County, , plant Comfrey after the last frost (around June 1) and before the first frost (around September 14). Best results when soil holds above 50°F.
What growing zone is Butte County County, for Comfrey?
Butte County County sits in USDA Zone 5a. Comfrey grows reliably in zones 3a through 9b, so it's a good fit here.
Can Comfrey grow in Butte County County's climate?
Yes — Comfrey grows well in Butte County County's temperate climate. Butte County County averages a 105-day frost-free season, with last frost around June 1 and first frost around September 14.
Your Butte County Garden Planner — Free
A 22-page printable planner built for Butte County (Zone 5a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.