Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
North America, United States, Western United States, Southwestern United States, Mexico
Europe, Russia
Types
Grasses
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
12
0
40000
👆🏻
Habitat
Dry areas
Cold Regions, stream banks
USDA Hardiness Zone
3-96-11
0
99
👆🏻
AHS Heat Zone
9 - 5
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 7, 8, 9, 10, 11, 14, 18, 19, 20, 21
21,22
Habit
Clump-Forming
Upright/Erect