Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Perennial
Origin
Europe, Russia
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, South-Central United States, Texas, Canada
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
22
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Mixed deciduous forest, shaded fields, shaded moist road banks, shaded riverbanks
USDA Hardiness Zone
6-113-9
0
99
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AHS Heat Zone
-
9-2
Sunset Zone
21,22
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7
Habit
Upright/Erect
Clump-Forming