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When to Plant Comfrey in Madison County, NC

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

Madison County, North Carolina is in USDA Zone 7a. The average last spring frost is April 11 and the first fall frost is October 24, giving you a growing season of approximately 196 days.

At an elevation of 2,664 feet, Madison County receives approximately 43.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 85°F, providing good warmth for Comfrey during the growing season. Clay soil retains moisture well for Comfrey, but amend with compost to improve drainage and prevent root rot.

Madison County, NC (Zone 7a) Moderate season
196 days
Last Spring Frost April 11
196 growing days
First Fall Frost October 24

Madison County Soil Profile

Soil Type

Clay Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Comfrey Planting Timeline — Madison County, NC

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors April 18 Apr 18 – May 2
Harvest June 20 Jun 20 – Aug 29

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
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

196 days in Madison County

Growing Tips for Madison 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 Madison County, NC?

Madison County is in Zone 7a with an average last frost of April 11. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Madison County, NC?

Madison County, North Carolina is in USDA Hardiness Zone 7a. The average last spring frost is April 11 and first fall frost is October 24.

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Your Madison County Garden Planner — Free

A 22-page printable planner built for Madison 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 Madison County, NC. Local conditions may vary. Last updated: June 2026.

Sources & credits

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