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When to Plant Comfrey in Walthall 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.

Walthall County, Mississippi is in USDA Zone 8a. The average last spring frost is March 15 and the first fall frost is November 16, giving you a growing season of approximately 246 days.

At an elevation of 207 feet, Walthall County receives approximately 50.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90Β°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.

Walthall County, MS (Zone 8a) Long season
246 days
Last Spring Frost March 15
246 growing days
First Fall Frost November 16

Walthall County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.6

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 β€” 4.2" 0" ❄️ Dormant
Feb β€” 4.5" 0" ❄️ Dormant
Mar 4.3" 4.5" 0" βœ… Rainfall sufficient
Apr 4.3" 4.4" 0" βœ… Rainfall sufficient
May 4.3" 4" 0.3" πŸ’§ Light watering
Jun 4.3" 4" 0.3" πŸ’§ Light watering
Jul 4.3" 5.9" 0" βœ… Rainfall sufficient
Aug 4.3" 4.2" 0.1" πŸ’§ Light watering
Sep 4.3" 3.5" 0.8" πŸ’§ Light watering
Oct 4.3" 3.6" 0.7" πŸ’§ Light watering
Nov 4.3" 3.4" 0.9" πŸ’§ Light watering
Dec β€” 4" 0" ❄️ Dormant

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

Comfrey Planting Timeline β€” Walthall County, MS

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors March 22 Mar 22 – Apr 5
Harvest May 24 May 24 – Aug 2

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

Month-by-Month Timeline

MonthActivities
January β€”
February β€”
March Transplant Outdoors
April Transplant Outdoors
May Harvest
June Harvest
July Harvest
August Harvest
September β€”
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

60–90 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

246 days in Walthall County

Growing Tips for Walthall 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 Walthall County, MS?

Walthall County is in Zone 8a with an average last frost of March 15. Plan your Comfrey planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Walthall County, MS?

Walthall County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 15 and first fall frost is November 16.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Walthall County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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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 Walthall County, MS. Local conditions may vary. Last updated: April 2026.