Life Span
Biennial
Perennial
Type
Tree
Perennial, Shrub
Origin
Central United States, Canada
Northwestern United States, Canada
Types
Two-petal ash, Single-leaf ash, Fragrant ash
sharpleaf penstemon, white-margined beardtongue, lowland beardtongue
Number of Varieties
6578
0
40000
👆🏻
Habitat
Dry areas, Hills, limestone outcrops, Moist woods
foothill woods, High elevation, Open areas, Rocky areas
USDA Hardiness Zone
4-84-9
0
99
👆🏻
AHS Heat Zone
8-4
9-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15
Habit
Upright/Erect
Mat-forming
Plant Size
Minimum Height
2,500.00 cm45.72 cm
0
3900
👆🏻
Minimum Width
100.00 cm40.64 cm
0
6350
👆🏻
Plant Color
Flower Color
Green, Purple
Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Tan
Brown
Leaf Color in Spring
Green
Dark Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Yellow, Light Yellow
Dark Green
Leaf Color in Winter
-
Dark Green
Shape
Leaf Shape
Pinnate
Narrow and lance shape
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Transplanting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Needs less watering, Requires regular watering, Water occasionally
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
-
Drought
Flowers
Insignificant
Showy
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
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Hummingbirds, Butterflies
Allergy
-
Asthma, Pollen
Uses
Aesthetic Uses
-
Cottage Garden, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree
Air purification, Wildlife
Plant Benefits
Medicinal Uses
-
Recovering internal injuries, Wounds
Part of Plant Used
Inner Bark, Seeds
Flowers
Other Uses
Used as a dye, Used for woodware, Wood is used in construction
Container, Used as Ornamental plant, Veterinarian uses
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees, Street Trees
Alpine, Container, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
FRAXINUS quadrangulata
PENSTEMON fruticosus 'Purple Haze'
Common Name
Blue Ash
Bush Penstemon, Shrubby Penstemon
In Hindi
Blue Ash plant
Bush Penstemon
In German
Blue Ash Pflanze
Bush Penstemon
In French
usine Blue Ash
Bush Penstemon
In Spanish
planta de Blue Ash
Bush Penstemon
In Greek
φυτό Blue Ash
Μπους Penstemon
In Portuguese
planta Blue Ash
Bush, Penstemon
In Polish
Blue Ash roślin
Bush Penstemon
In Latin
Blue Ash herba
Persicaria Bush
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Scrophulariales
Family
Oleaceae
Scrophulariaceae
Genus
Fraxinus
Penstemon
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
Oleeae
-
Subfamily
-
-
Number of Species
65250
1
27800
👆🏻