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When to plant Comfrey in Hamilton County, FL

In Hamilton County, Comfrey is a spring-only crop. Plant March 11–March 25 once soil hits 50°F.

When to Plant Comfrey in Hamilton County, FL

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

Hamilton County, Florida is in USDA Zone 9a. The average last spring frost is March 4 and the first fall frost is November 26, giving you a growing season of approximately 267 days.

At an elevation of 279 feet, Hamilton County receives approximately 61.2 inches of rainfall annually with predominantly sand soil. Summer highs average 93°F, providing good warmth for Comfrey during the growing season. Sandy soil warms quickly in spring — great for early planting — but Comfrey will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Comfrey root diseases.

Hamilton County, FL (Zone 9a) Long season
267 days
Last Spring Frost March 4
267 growing days
First Fall Frost November 26

Hamilton County Soil Profile

Soil Type

Sand

Soil pH

6.0-7.0

Drainage

Well Drained

Comfrey Planting Timeline — Hamilton County, FL

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors March 11 Mar 11 – Mar 25
Harvest May 13 May 13 – Jul 22

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

Month-by-Month Timeline

MonthActivities
January
February
March Transplant Outdoors
April
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 9a

📆 Growing Season

267 days in Hamilton County

Growing Tips for Hamilton 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 Hamilton County, FL?

Hamilton County is in Zone 9a with an average last frost of March 4. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hamilton County, FL?

Hamilton County, Florida is in USDA Hardiness Zone 9a. The average last spring frost is March 4 and first fall frost is November 26.

When should I plant Comfrey in Hamilton County, FL?

In Hamilton County, FL, plant Comfrey after the last frost (around March 4) and before the first frost (around November 26). Best results when soil holds above 50°F.

What growing zone is Hamilton County, FL for Comfrey?

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

Can Comfrey grow in Hamilton County's climate?

Yes — Comfrey grows well in Hamilton County's temperate climate. Hamilton County averages a 267-day frost-free season, with last frost around March 4 and first frost around November 26.

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Your Hamilton County Garden Planner — Free

A 22-page printable planner built for Hamilton County (Zone 9a). 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 Hamilton County, FL. Local conditions may vary. Last updated: July 2026.

Sources & credits

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