Life Span
Perennial
Perennial
Type
Grass
Broadleaf Evergreen
Origin
Europe, Western Asia
Europe, Russia
Types
Blue Dune Lyme Grass
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Number of Varieties
72
0
40000
👆🏻
Habitat
Clay soil areas, Loamy soils, Sandy areas, sandy seeps, Well Drained
Cold Regions, stream banks
USDA Hardiness Zone
7-96-11
0
99
👆🏻
AHS Heat Zone
9 - 7
-
Sunset Zone
H1, H2, 7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Spreading
Upright/Erect