Life Span
Perennial
Annual
Type
Flowering Plants
Bulb or Corm or Tuber
Origin
South-Central United States
Eastern Europe, Southern Europe, Mediterranean, Turkey, Western Asia
Types
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Mountain silverbell , Rosea
Number of Varieties
2003
0
40000
👆🏻
Habitat
Rocky areas
Floodplains, low mountains, Lower slopes, secondary forest
USDA Hardiness Zone
5-85-9
0
99
👆🏻
AHS Heat Zone
12-1
9-5
Sunset Zone
No Available
21,22
Habit
Clump-Forming
Clump-Forming