Side by side
Compare plates
Lay two specimens on the bench — uses, risks, and whether either has a grow lab.
OpenToxic
Comfrey
Symphytum officinale
Knitbone — a legendary wound-and-bone poultice whose internal use is no longer defensible.
Flavor
Cucumber-green and mucilaginous. Not a tea flavor to chase.
Symptoms
bruises, joint pain, minor wounds
In favor
Exceptional compost and mulch plant
Against
Hepatotoxic internally
Days to harvest
60–90 days to a leaf cut (external / compost only)
Choose a specimen