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When to plant Comfrey in Whitley County County,

Plant Comfrey in Whitley County County, between April 27 and May 11 — the only viable window. Zone 7a's short season (185 frost-free days) rules out a fall crop.

When to Plant Comfrey in Whitley County, KY

Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.

Whitley County, Kentucky is in USDA Zone 7a. The average last spring frost is April 20 and the first fall frost is October 22, giving you a growing season of approximately 185 days.

At an elevation of 1,990 feet, Whitley County receives approximately 44.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Comfrey during the growing season.

Whitley County, KY (Zone 7a) Moderate season
185 days
Last Spring Frost April 20
185 growing days
First Fall Frost October 22

Whitley County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Comfrey Planting Timeline — Whitley County, KY

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors April 27 Apr 27 – May 11
Harvest June 29 Jun 29 – Sep 7

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 7a

📆 Growing Season

185 days in Whitley County

Growing Tips for Whitley 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 Whitley County, KY?

Whitley County is in Zone 7a with an average last frost of April 20. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Whitley County, KY?

Whitley County, Kentucky is in USDA Hardiness Zone 7a. The average last spring frost is April 20 and first fall frost is October 22.

When should I plant Comfrey in Whitley County County, ?

In Whitley County County, , plant Comfrey after the last frost (around April 20) and before the first frost (around October 22). Best results when soil holds above 50°F.

What growing zone is Whitley County County, for Comfrey?

Whitley County County sits in USDA Zone 7a. Comfrey grows reliably in zones 3a through 9b, so it's a good fit here.

Can Comfrey grow in Whitley County County's climate?

Yes — Comfrey grows well in Whitley County County's temperate climate. Whitley County County averages a 185-day frost-free season, with last frost around April 20 and first frost around October 22.

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Your Whitley County Garden Planner — Free

A 22-page printable planner built for Whitley County (Zone 7a). 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 Whitley County, KY. Local conditions may vary. Last updated: June 2026.

Sources & credits

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