Life Span
Perennial
Perennial
Type
Tree
Broadleaf Evergreen
Origin
China, Japan, Korea
Europe, Russia
Types
Amanogawa , Shirotae , Shogetsu
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
52
0
40000
👆🏻
Habitat
Woodlands
Cold Regions, stream banks
USDA Hardiness Zone
6-86-11
0
99
👆🏻
AHS Heat Zone
9-4
-
Sunset Zone
2b, 3a, 3b, 4, 5, 6, 7, 12, 14, 15, 16, 17, 18, 19, 20
21,22
Habit
Arching/Fountain-shaped
Upright/Erect