Life Span
Annual
Perennial
Type
Bulb or Corm or Tuber
Flowering Plants
Origin
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
South-Central United States
Types
Mountain silverbell , Rosea
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
3200
0
40000
👆🏻
Habitat
Floodplains, low mountains, Lower slopes, secondary forest
Rocky areas
USDA Hardiness Zone
5-95-8
0
99
👆🏻
AHS Heat Zone
9-5
12-1
Sunset Zone
21,22
No Available
Habit
Clump-Forming
Clump-Forming