When to Plant Comfrey in Zone 10
In USDA zone 10a, plant outdoors January 30 to March 31, and expect your first harvest around March 31. (10a shown here — see 10a and 10b dates separately below.)
Comfrey planting calendar for USDA 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, needing roughly 334 frost-free days in zone 10a.
Comfrey planting calendar for USDA 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, needing roughly 334 frost-free days in zone 10b.
Not sure whether you're in 10a or 10b? 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
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