Life Span
Biennial
Perennial
Type
Tree
Flowering Plants
Origin
Central United States, Canada
South-Central United States
Types
Two-petal ash, Single-leaf ash, Fragrant ash
Penstemon digitalis, Penstemon barbatus, Penstemon heterophyllus
Number of Varieties
65200
0
40000
👆🏻
Habitat
Dry areas, Hills, limestone outcrops, Moist woods
Rocky areas
USDA Hardiness Zone
4-85-8
0
99
👆🏻
AHS Heat Zone
8-4
12-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6
No Available
Habit
Upright/Erect
Clump-Forming