Blog

When to plant Comfrey in Bibb County, AL

Bibb County sits in cold Zone 8a. Plant Comfrey March 21–April 4 for the single annual harvest; the November 13 first frost closes the window.

When to Plant Comfrey in Bibb County, AL

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

Bibb County, Alabama is in USDA Zone 8a. The average last spring frost is March 14 and the first fall frost is November 13, giving you a growing season of approximately 244 days.

At an elevation of 66 feet, Bibb County receives approximately 59.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°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.

Bibb County, AL (Zone 8a) Long season
244 days
Last Spring Frost March 14
244 growing days
First Fall Frost November 13

Bibb County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.6

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 4.6" 0" ❄️ Dormant
Feb 4.2" 0" ❄️ Dormant
Mar 4.3" 6.3" 0" ✅ Rainfall sufficient
Apr 4.3" 5.4" 0" ✅ Rainfall sufficient
May 4.3" 4.3" 0" ✅ Rainfall sufficient
Jun 4.3" 4.9" 0" ✅ Rainfall sufficient
Jul 4.3" 6" 0" ✅ Rainfall sufficient
Aug 4.3" 6.5" 0" ✅ Rainfall sufficient
Sep 4.3" 4.3" 0" ✅ Rainfall sufficient
Oct 4.3" 3.4" 0.9" 💧 Light watering
Nov 4.3" 4.8" 0" ✅ Rainfall sufficient
Dec 4.7" 0" ❄️ Dormant

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

Comfrey Planting Timeline — Bibb County, AL

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors March 21 Mar 21 – Apr 4
Harvest May 23 May 23 – Aug 1

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 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 8a

📆 Growing Season

244 days in Bibb County

Growing Tips for Bibb 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 Bibb County, AL?

Bibb County is in Zone 8a with an average last frost of March 14. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bibb County, AL?

Bibb County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 14 and first fall frost is November 13.

When should I plant Comfrey in Bibb County, AL?

In Bibb County, AL, plant Comfrey after the last frost (around March 14) and before the first frost (around November 13). Best results when soil holds above 50°F.

What growing zone is Bibb County, AL for Comfrey?

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

Can Comfrey grow in Bibb County's climate?

Yes — Comfrey grows well in Bibb County's temperate climate. Bibb County averages a 244-day frost-free season, with last frost around March 14 and first frost around November 13.

🌱

Your Bibb County Garden Planner — Free

A 22-page printable planner built for Bibb County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Bibb County, AL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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