Life Span
Perennial
Annual
Type
Broadleaf Evergreen
Bulb or Corm or Tuber
Origin
Europe, Russia
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Mountain silverbell , Rosea
Number of Varieties
23
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Floodplains, low mountains, Lower slopes, secondary forest
USDA Hardiness Zone
6-115-9
0
99
👆🏻
AHS Heat Zone
-
9-5
Sunset Zone
21,22
21,22
Habit
Upright/Erect
Clump-Forming