Life Span
Perennial
Perennial
Type
Perennial
Broadleaf Evergreen
Origin
Southeastern United States, North-Central United States, Central United States, South-Central United States, Southwestern United States, Texas, Canada, Mexico
Europe, Russia
Types
Ratibida columnifera
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
252
0
40000
👆🏻
Habitat
Dry areas, Prairies, Rocky areas, rocky outcrops
Cold Regions, stream banks
USDA Hardiness Zone
3-106-11
0
99
👆🏻
AHS Heat Zone
10-1
-
Sunset Zone
A1, A2, A3, H1, H2, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Upright/Erect
Upright/Erect