Life Span
Perennial
Annual
Type
Broadleaf Evergreen
Bulb or Corm or Tuber
Origin
Europe, Russia
Europe, Turkey, Iraq, Iran, Asia, China
Types
Symphytum officinale (common comfrey), Symphytum asperum (rough comfrey)
Parrot Tulips, Triumph Tulips, Darwin Hybrid Tulips
Number of Varieties
23000
0
40000
👆🏻
Habitat
Cold Regions, stream banks
Mountains, Temperate Regions
USDA Hardiness Zone
6-114-8
0
99
👆🏻
AHS Heat Zone
-
10-1
Sunset Zone
21,22
21,22
Habit
Upright/Erect
Clump-Forming