Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Europe, Russia
North America, United States, Northwestern United States, Alaska, California, Canada
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
-
Number of Varieties
230
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Lowland evergreen rainforest
USDA Hardiness Zone
6-114-7
0
99
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AHS Heat Zone
-
7-1
Sunset Zone
21,22
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Upright/Erect
Pyramidal