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When to plant Comfrey in Logan County, KS

In Logan County, Comfrey is a single-season spring crop — there's no second fall window. Plant May 7–May 21 for an 60–90-day harvest, finishing well before the October 12 first frost.

When to Plant Comfrey in Logan 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.

Logan County, Kansas is in USDA Zone 6a. The average last spring frost is April 30 and the first fall frost is October 12, giving you a growing season of approximately 165 days.

At an elevation of 764 feet, Logan County receives approximately 22.5 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Comfrey during the growing season.

Logan County, KS (Zone 6a) Moderate season
165 days
Last Spring Frost April 30
165 growing days
First Fall Frost October 12

Logan County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Comfrey Planting Timeline — Logan County, KS

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors May 7 May 7 – May 21
Harvest July 9 Jul 9 – Sep 17

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

Month-by-Month Timeline

MonthActivities
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

165 days in Logan County

Growing Tips for Logan 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 Logan County, KS?

Logan County is in Zone 6a with an average last frost of April 30. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Logan County, KS?

Logan County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 30 and first fall frost is October 12.

When should I plant Comfrey in Logan County, KS?

In Logan County, KS, plant Comfrey after the last frost (around April 30) and before the first frost (around October 12). Best results when soil holds above 50°F.

What growing zone is Logan County, KS for Comfrey?

Logan 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 Logan County's climate?

Yes — Comfrey grows well in Logan County's temperate climate. Logan County averages a 165-day frost-free season, with last frost around April 30 and first frost around October 12.

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Your Logan County Garden Planner — Free

A 22-page printable planner built for Logan 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.

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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 Logan County, KS. Local conditions may vary. Last updated: August 2026.

Sources & credits

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