Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Herbs
Origin
Europe, Russia
Europe, Middle Africa, Southern Africa, Southern Asia, Southeastern Asia
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Basil, African blue basil
Number of Varieties
260
0
40000
👆🏻
Habitat
Cold Regions, stream banks
-
USDA Hardiness Zone
6-119-11
0
99
👆🏻
AHS Heat Zone
-
11-1
Sunset Zone
21,22
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
Habit
Upright/Erect
Clump-Forming