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When to plant Comfrey in Franklin County, MS

Franklin County's short 246-day growing season means one Comfrey planting between March 19 and April 2. No fall crop in Zone 8b.

When to Plant Comfrey in Franklin County, MS

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

Franklin County, Mississippi is in USDA Zone 8b. The average last spring frost is March 12 and the first fall frost is November 13, giving you a growing season of approximately 246 days.

At an elevation of 281 feet, Franklin County receives approximately 54 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93°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. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Comfrey root diseases.

Franklin County, MS (Zone 8b) Long season
246 days
Last Spring Frost March 12
246 growing days
First Fall Frost November 13

Franklin County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.5

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 4.7" 0" ❄️ Dormant
Feb 4.6" 0" ❄️ Dormant
Mar 4.3" 5.1" 0" ✅ Rainfall sufficient
Apr 4.3" 4.2" 0.1" 💧 Light watering
May 4.3" 4.3" 0" ✅ Rainfall sufficient
Jun 4.3" 4.4" 0" ✅ Rainfall sufficient
Jul 4.3" 5.2" 0" ✅ Rainfall sufficient
Aug 4.3" 4.4" 0" ✅ Rainfall sufficient
Sep 4.3" 4.1" 0.2" 💧 Light watering
Oct 4.3" 3.8" 0.5" 💧 Light watering
Nov 4.3" 4.5" 0" ✅ Rainfall sufficient
Dec 4.8" 0" ❄️ Dormant

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

Comfrey Planting Timeline — Franklin County, MS

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors March 19 Mar 19 – Apr 2
Harvest May 21 May 21 – Jul 30

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

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April Transplant Outdoors
May Harvest
June Harvest
July Harvest
August
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 8b

📆 Growing Season

246 days in Franklin County

Growing Tips for Franklin 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 Franklin County, MS?

Franklin County is in Zone 8b with an average last frost of March 12. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Franklin County, MS?

Franklin County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 12 and first fall frost is November 13.

When should I plant Comfrey in Franklin County, MS?

In Franklin County, MS, plant Comfrey after the last frost (around March 12) and before the first frost (around November 13). Best results when soil holds above 50°F.

What growing zone is Franklin County, MS for Comfrey?

Franklin County sits in USDA Zone 8b. Comfrey grows reliably in zones 3a through 9b, so it's a good fit here.

Can Comfrey grow in Franklin County's climate?

Yes — Comfrey grows well in Franklin County's temperate climate. Franklin County averages a 246-day frost-free season, with last frost around March 12 and first frost around November 13.

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Your Franklin County Garden Planner — Free

A 22-page printable planner built for Franklin County (Zone 8b). 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 Franklin County, MS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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