Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
Southwestern United States
Europe, Russia
Types
Muhlenbergia rigens, Muhlenbergia emersleyi
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
52
0
40000
👆🏻
Habitat
Sandy areas
Cold Regions, stream banks
USDA Hardiness Zone
7-116-11
0
99
👆🏻
AHS Heat Zone
12 - 1
-
Sunset Zone
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Clump-Forming
Upright/Erect