Life Span
Perennial
Perennial
Type
Perennial
Broadleaf Evergreen
Origin
Russia, Siberia, China, Japan
Europe, Russia
Types
Iris ensata, Iris japonica
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
602
0
40000
👆🏻
Habitat
Boggy areas, gardens, meadows, Shores of rivers or lakes
Cold Regions, stream banks
USDA Hardiness Zone
3-96-11
0
99
👆🏻
AHS Heat Zone
9-1
-
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Clump-Forming
Upright/Erect