When to plant Comfrey in Van Buren County, MI
Van Buren County's short 171-day growing season means one Comfrey planting between May 6 and May 20. No fall crop in Zone 6a.
When to Plant Comfrey in Van Buren County, MI
Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.
Van Buren County, Michigan is in USDA Zone 6a. The average last spring frost is April 29 and the first fall frost is October 17, giving you a growing season of approximately 171 days.
At an elevation of 549 feet, Van Buren County receives approximately 39.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Comfrey during the growing season.
Van Buren County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Comfrey Planting Timeline — Van Buren County, MI
Comfrey Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 6 | May 6 – May 20 |
| Harvest | July 8 | Jul 8 – Sep 16 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| 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 6a
📆 Growing Season
171 days in Van Buren County
Growing Tips for Van Buren 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 Van Buren County, MI?
Van Buren County is in Zone 6a with an average last frost of April 29. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.
What planting zone is Van Buren County, MI?
Van Buren County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is April 29 and first fall frost is October 17.
When should I plant Comfrey in Van Buren County, MI?
In Van Buren County, MI, plant Comfrey after the last frost (around April 29) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Van Buren County, MI for Comfrey?
Van Buren County sits in USDA Zone 6a. Comfrey grows reliably in zones 3a through 9b, so it's a good fit here.
Can Comfrey grow in Van Buren County's climate?
Yes — Comfrey grows well in Van Buren County's temperate climate. Van Buren County averages a 171-day frost-free season, with last frost around April 29 and first frost around October 17.
Your Van Buren County Garden Planner — Free
A 22-page printable planner built for Van Buren County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.