Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Grass
Origin
Europe, Russia
Southwestern United States, Texas, Mexico
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Nassella tenuissima
Number of Varieties
215
0
40000
👆🏻
Habitat
Cold Regions, stream banks
driveways, open Woodlands, Roadsides, Rocky areas, Slopes, tree wells
USDA Hardiness Zone
6-116-10
0
99
👆🏻
AHS Heat Zone
-
11 - 4
Sunset Zone
21,22
2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming