Life Span
Perennial
Perennial
Type
Perennial, Shrub
Tree
Origin
Northwestern United States, Canada
Central Asia, India, Nepal
Types
sharpleaf penstemon, white-margined beardtongue, lowland beardtongue
White oak, Bluff oak, Muller oak
Number of Varieties
78600
0
40000
👆🏻
Habitat
foothill woods, High elevation, Open areas, Rocky areas
Clay soil areas, Dry areas, Sandy areas
USDA Hardiness Zone
4-96-9
0
99
👆🏻
AHS Heat Zone
9-1
7-5
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
Habit
Mat-forming
Oval or Rounded
Plant Size
Minimum Height
45.72 cm2,286.00 cm
0
3900
👆🏻
Minimum Width
40.64 cm1,219.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Sandy Brown, Sienna
Leaf Color in Spring
Dark Green
Green, Light Green, Gray
Leaf Color in Summer
Dark Green
Green, Gray
Leaf Color in Fall
Dark Green
Green, Dark Green, Gray
Leaf Color in Winter
Dark Green
Dark Green, Gray
Shape
Leaf Shape
Narrow and lance shape
broad, flat
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering, Requires regular watering, Water occasionally
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
Acidic
Soil Type
Loam, Sand
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial 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
Drought
Flowers
✔
✘
✔
✘
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
Fine
Medium
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Birds
Allergy
Asthma, Pollen
Pollen
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Wildlife
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
Recovering internal injuries, Wounds
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Part of Plant Used
Flowers
Leaves, Seeds, Wood
Other Uses
Container, Used as Ornamental plant, Veterinarian uses
Used as firewood, used for making charcoal
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Alpine, Container, Mixed Border, Rock Garden / Wall, Wildflower
Feature Plant, Shade Trees
Botanical Name
PENSTEMON fruticosus 'Purple Haze'
QUERCUS leucotrichophora
Common Name
Bush Penstemon, Shrubby Penstemon
Banj Oak, Blackjack Oak, Himalayan Oak
In Hindi
Bush Penstemon
Blackjack Oak Tree
In German
Bush Penstemon
Blackjack Oak Tree
In French
Bush Penstemon
Blackjack Oak Tree
In Spanish
Bush Penstemon
Blackjack Oak Tree
In Greek
Μπους Penstemon
Blackjack Oak Tree
In Portuguese
Bush, Penstemon
Blackjack Carvalho
In Polish
Bush Penstemon
Blackjack Oak Tree
In Latin
Persicaria Bush
Blackjack quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Fagales
Family
Scrophulariaceae
Fagaceae
Genus
Penstemon
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
25060
1
27800
👆🏻