When to Plant Comfrey in Florida
Florida spans USDA hardiness 8b to 11b (zones 8b to 11b on this page). Plant comfrey by your local frost date, not the calendar — pick your zone below for exact start-indoors, transplant, and harvest dates.
Jump to: Zone 8b · Zone 9a · Zone 9b · Zone 10a · Zone 10b · Zone 11a · Zone 11b
Comfrey planting calendar for Florida, Zone 8b
Average last spring frost
March 20
Average first fall frost
November 20
Direct sow
Mar 20
Projected first harvest
May 19
Comfrey is ready to harvest in about 60 days. Full zone 8 guide (both 8a and 8b) →
Comfrey planting calendar for Florida, Zone 9a
Average last spring frost
March 1
Average first fall frost
December 1
Direct sow
Mar 1
Projected first harvest
Apr 30
Comfrey is ready to harvest in about 60 days. Full zone 9 guide (both 9a and 9b) →
Comfrey planting calendar for Florida, Zone 9b
Average last spring frost
February 15
Average first fall frost
December 15
Direct sow
Feb 15
Projected first harvest
Apr 16
Comfrey is ready to harvest in about 60 days. Full zone 9 guide (both 9a and 9b) →
Comfrey planting calendar for Florida, Zone 10a
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Jan 30
Projected first harvest
Mar 31
Comfrey is ready to harvest in about 60 days. Full zone 10 guide (both 10a and 10b) →
Comfrey planting calendar for Florida, Zone 10b
Average last spring frost
January 30
Average first fall frost
December 30
Direct sow
Jan 30
Projected first harvest
Mar 31
Comfrey is ready to harvest in about 60 days. Full zone 10 guide (both 10a and 10b) →
Comfrey planting calendar for Florida, Zone 11a
Zone 11a doesn't get a seasonal frost — comfrey plants on a warm/cool-season calendar instead of frost dates.
Best planting window
Year-round
🌴 Your zone never frosts, so planting is timed to the cooler vs. warmer seasons rather than a frost date.
Comfrey is ready to harvest in about 60 days.
Comfrey planting calendar for Florida, Zone 11b
Zone 11b doesn't get a seasonal frost — comfrey plants on a warm/cool-season calendar instead of frost dates.
Best planting window
Year-round
🌴 Your zone never frosts, so planting is timed to the cooler vs. warmer seasons rather than a frost date.
Comfrey is ready to harvest in about 60 days.
Not sure which half-zone you're in? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
1 variety of comfrey in the HomeSown library. Tap any for its full grow guide.
Common problems with comfrey
What to watch for, with identification and treatment for each
🌱 Grow comfrey with a calendar built for your exact yard
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