Life Span
Annual
Perennial
Type
Grass
Broadleaf Evergreen
Origin
Southern Europe, Western Europe, Northern Africa
Europe, Russia
Types
Avena sativa, Hull-less Oat, Avena barbata
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
202
0
40000
👆🏻
Habitat
Banks, meadows, Rocky Ridges
Cold Regions, stream banks
USDA Hardiness Zone
5-96-11
0
99
👆🏻
AHS Heat Zone
9 - 1
-
Sunset Zone
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24
21,22
Habit
Clump-Forming
Upright/Erect