1 What is
1.1 Life Span
1.2 Type
1.3 Origin
Central Asia, Eastern Europe, Europe, Nepal, Southern Asia, Southern Europe
South-Central United States
1.4 Types
Not Available
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
1.4.1 Number of Varieties
1.5 Habitat
Cold Regions, Hills, Hillside
Rocky areas
1.6 USDA Hardiness Zone
1.7 AHS Heat Zone
1.8 Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21
No Available
1.9 Habit
Oval or Rounded
Clump-Forming