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When to Plant Comfrey in Huntingdon County, PA

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

Huntingdon County, Pennsylvania is in USDA Zone 6b. The average last spring frost is April 21 and the first fall frost is October 25, giving you a growing season of approximately 187 days.

At an elevation of 605 feet, Huntingdon County receives approximately 46.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Comfrey during the growing season.

Huntingdon County, PA (Zone 6b) Moderate season
187 days
Last Spring Frost April 21
187 growing days
First Fall Frost October 25

Huntingdon County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Comfrey Planting Timeline — Huntingdon County, PA

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors April 28 Apr 28 – May 12
Harvest June 30 Jun 30 – Sep 8

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

187 days in Huntingdon County

Growing Tips for Huntingdon 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 Huntingdon County, PA?

Huntingdon County is in Zone 6b with an average last frost of April 21. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Huntingdon County, PA?

Huntingdon County, Pennsylvania is in USDA Hardiness Zone 6b. The average last spring frost is April 21 and first fall frost is October 25.

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Your Huntingdon County Garden Planner — Free

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.