When to plant Comfrey in DeKalb County, IN
In DeKalb County, Comfrey is a spring-only crop. Plant May 3–May 17 once soil hits 50°F.
When to Plant Comfrey in DeKalb County, IN
Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.
DeKalb County, Indiana is in USDA Zone 6a. The average last spring frost is April 26 and the first fall frost is October 17, giving you a growing season of approximately 174 days.
At an elevation of 671 feet, DeKalb County receives approximately 37.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Comfrey during the growing season.
DeKalb County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Comfrey Planting Timeline — DeKalb County, IN
Comfrey Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 3 | May 3 – May 17 |
| Harvest | July 5 | Jul 5 – Sep 13 |
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
174 days in DeKalb County
Growing Tips for DeKalb 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 DeKalb County, IN?
DeKalb County is in Zone 6a with an average last frost of April 26. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.
What planting zone is DeKalb County, IN?
DeKalb County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 26 and first fall frost is October 17.
When should I plant Comfrey in DeKalb County, IN?
In DeKalb County, IN, plant Comfrey after the last frost (around April 26) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is DeKalb County, IN for Comfrey?
DeKalb 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 DeKalb County's climate?
Yes — Comfrey grows well in DeKalb County's temperate climate. DeKalb County averages a 174-day frost-free season, with last frost around April 26 and first frost around October 17.
Your DeKalb County Garden Planner — Free
A 22-page printable planner built for DeKalb 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.