Life Span
Perennial
Biennial
Type
Flowering Plants
Tree
Origin
Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States
Central United States, Canada
Types
Penstemon
Two-petal ash, Single-leaf ash, Fragrant ash
Number of Varieties
1565
0
40000
👆🏻
Habitat
Fields, open Woodlands, Wood Margins
Dry areas, Hills, limestone outcrops, Moist woods
USDA Hardiness Zone
3-84-8
0
99
👆🏻
AHS Heat Zone
8-1
8-4
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
60.00 cm2,500.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm100.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green, Tan
Leaf Color in Spring
Dark Red
Green
Leaf Color in Summer
Dark Red
Green
Leaf Color in Fall
Dark Red
Yellow, Light Yellow
Leaf Color in Winter
-
-
Shape
Leaf Shape
Lance-shaped to oblong
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Root Division, Seedlings, Softwood cuttings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
Complete balanced fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Leaf spot, Root rot
Red blotch
Plant Tolerance
Drought
-
Flowers
Showy
Insignificant
Flower Petal Number
Single
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Hummingbirds, Butterflies
Birds
Allergy
Mild Allergen
-
Uses
Aesthetic Uses
Borders, Wild gardens
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
Tooth ache
-
Part of Plant Used
Root
Inner Bark, Seeds
Other Uses
Showy Purposes
Used as a dye, Used for woodware, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Mixed Border, Wildflower
Shade Trees, Street Trees
Botanical Name
PENSTEMON digitalis 'Husker Red'
FRAXINUS quadrangulata
Common Name
Husker Red Penstemon, Talus Slope Penstemon
Blue Ash
In Hindi
Talus Slope Penstemon
Blue Ash plant
In German
Gehängeschutt Penstemon
Blue Ash Pflanze
In French
Talus Slope Penstemon
usine Blue Ash
In Spanish
Astrágalo pendiente Penstemon
planta de Blue Ash
In Greek
Αστράγαλος Κλίση Penstemon
φυτό Blue Ash
In Portuguese
Talus Penstemon Slope
planta Blue Ash
In Polish
Talus Slope Penstemon
Blue Ash roślin
In Latin
Talus Clivo Persicaria
Blue Ash herba
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Scrophulariales
Family
Scrophulariaceae
Oleaceae
Genus
Penstemon
Fraxinus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
-
-
Number of Species
28065
1
27800
👆🏻