When to plant Comfrey in Sherman County, KS
In Sherman County, Comfrey is a spring-only crop. Plant May 9–May 23 once soil hits 50°F.
When to Plant Comfrey in Sherman County, KS
Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.
Sherman County, Kansas is in USDA Zone 6a. The average last spring frost is May 2 and the first fall frost is October 11, giving you a growing season of approximately 162 days.
At an elevation of 831 feet, Sherman County receives approximately 24.7 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Comfrey during the growing season.
Sherman County Soil Profile
Soil Type
Loam
Soil pH
6.7-7.3
Drainage
Well Drained
Monthly Watering Guide for Comfrey
Comfrey needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Comfrey Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.9" | 0" | ❄️ Dormant |
| Feb | — | 1.4" | 0" | ❄️ Dormant |
| Mar | — | 2.2" | 0" | ❄️ Dormant |
| Apr | — | 2.3" | 0" | ❄️ Dormant |
| May | 4.3" | 2.7" | 1.6" | 💧 Light watering |
| Jun | 4.3" | 1.8" | 2.5" | 🚿 Regular watering |
| Jul | 4.3" | 2.4" | 1.9" | 💧 Light watering |
| Aug | 4.3" | 2.8" | 1.5" | 💧 Light watering |
| Sep | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| Oct | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| Nov | — | 1.8" | 0" | ❄️ Dormant |
| Dec | — | 1.3" | 0" | ❄️ Dormant |
Water needs are for active growing months only (May–Oct in Sherman County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Comfrey Planting Timeline — Sherman County, KS
Comfrey Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 9 | May 9 – May 23 |
| Harvest | July 11 | Jul 11 – Sep 19 |
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
162 days in Sherman County
Growing Tips for Sherman 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 Sherman County, KS?
Sherman County is in Zone 6a with an average last frost of May 2. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.
What planting zone is Sherman County, KS?
Sherman County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is May 2 and first fall frost is October 11.
When should I plant Comfrey in Sherman County, KS?
In Sherman County, KS, plant Comfrey after the last frost (around May 2) and before the first frost (around October 11). Best results when soil holds above 50°F.
What growing zone is Sherman County, KS for Comfrey?
Sherman 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 Sherman County's climate?
Yes — Comfrey grows well in Sherman County's temperate climate. Sherman County averages a 162-day frost-free season, with last frost around May 2 and first frost around October 11.
Your Sherman County Garden Planner — Free
A 22-page printable planner built for Sherman 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.