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When to plant Comfrey in Edwards County, KS

Edwards County's 191-day season only supports one Comfrey planting per year. Sow between April 22 and May 6 for the best chance at full maturity before October 23.

When to Plant Comfrey in Edwards 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.

Edwards County, Kansas is in USDA Zone 6b. The average last spring frost is April 15 and the first fall frost is October 23, giving you a growing season of approximately 191 days.

At an elevation of 814 feet, Edwards County receives approximately 22 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Comfrey during the growing season.

Edwards County, KS (Zone 6b) Moderate season
191 days
Last Spring Frost April 15
191 growing days
First Fall Frost October 23

Edwards County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.5

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 0.6" 0" ❄️ Dormant
Feb 0.7" 0" ❄️ Dormant
Mar 1.4" 0" ❄️ Dormant
Apr 4.3" 2.5" 1.8" 💧 Light watering
May 4.3" 3.3" 1" 💧 Light watering
Jun 4.3" 3.7" 0.6" 💧 Light watering
Jul 4.3" 2.9" 1.4" 💧 Light watering
Aug 4.3" 2.3" 2" 💧 Light watering
Sep 4.3" 1.9" 2.4" 🚿 Regular watering
Oct 4.3" 1.5" 2.8" 🚿 Regular watering
Nov 0.6" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Edwards County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Comfrey Planting Timeline — Edwards County, KS

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors April 22 Apr 22 – May 6
Harvest June 24 Jun 24 – Sep 2

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April Transplant Outdoors
May Transplant Outdoors
June Harvest
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 6b

📆 Growing Season

191 days in Edwards County

Growing Tips for Edwards 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 →

Frequently Asked Questions

When should I plant Comfrey in Edwards County, KS?

Edwards County is in Zone 6b with an average last frost of April 15. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Edwards County, KS?

Edwards County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 15 and first fall frost is October 23.

When should I plant Comfrey in Edwards County, KS?

In Edwards County, KS, plant Comfrey after the last frost (around April 15) and before the first frost (around October 23). Best results when soil holds above 50°F.

What growing zone is Edwards County, KS for Comfrey?

Edwards County sits in USDA Zone 6b. Comfrey grows reliably in zones 3a through 9b, so it's a good fit here.

Can Comfrey grow in Edwards County's climate?

Yes — Comfrey grows well in Edwards County's temperate climate. Edwards County averages a 191-day frost-free season, with last frost around April 15 and first frost around October 23.

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Your Edwards County Garden Planner — Free

A 22-page printable planner built for Edwards County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Edwards County, KS. Local conditions may vary. Last updated: July 2026.

Sources & credits

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