Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas, Mexico, Caribbean
Europe, Russia
Types
Ornamental Grass
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
202
0
40000
👆🏻
Habitat
marshes, Riverbanks, Sandy areas, Tropical rainforest
Cold Regions, stream banks
USDA Hardiness Zone
5-106-11
0
99
👆🏻
AHS Heat Zone
12 - 5
-
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Clump-Forming
Upright/Erect