Life Span
Perennial
Perennial
Type
Tree
Flowering Plants
Origin
United States, California
Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States
Types
-
Penstemon
Number of Varieties
815
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Fields, open Woodlands, Wood Margins
USDA Hardiness Zone
6-93-8
0
99
👆🏻
AHS Heat Zone
9-1
8-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White, Light Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green, Blue Green
Dark Red
Leaf Color in Summer
Green, Blue Green
Dark Red
Leaf Color in Fall
Yellow, Orange, Pink
Dark Red
Leaf Color in Winter
-
-
Shape
Leaf Shape
Irregular
Lance-shaped to oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
-
Loam, Sand
The pH of Soil
-
Acidic, Neutral, Alkaline
Soil Drainage
-
Well drained
Bloom Time
Spring
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Root Division, Seedlings, Softwood cuttings
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
Soil Type
-
Loam, Sand
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Complete balanced fertilizer
Pests and Diseases
Red blotch
Leaf spot, Root rot
Plant Tolerance
Drought
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
Medium
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds, Hummingbirds, Butterflies
Allergy
Pollen
Mild Allergen
Uses
Aesthetic Uses
Borders
Borders, Wild gardens
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Tooth ache
Part of Plant Used
Leaves, Seeds, Wood
Root
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Showy Purposes
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Cutflower, Mixed Border, Wildflower
Botanical Name
QUERCUS douglasii
PENSTEMON digitalis 'Husker Red'
Common Name
Blue Oak
Husker Red Penstemon, Talus Slope Penstemon
In Hindi
Blue Oak Tree
Talus Slope Penstemon
In German
Blaue Eiche
Gehängeschutt Penstemon
In French
Bleu Oak Tree
Talus Slope Penstemon
In Spanish
Azul del árbol de roble
Astrágalo pendiente Penstemon
In Greek
Μπλε Oak Tree
Αστράγαλος Κλίση Penstemon
In Portuguese
Carvalho azul
Talus Penstemon Slope
In Polish
Niebieski Oak Tree
Talus Slope Penstemon
In Latin
Blue quercum ligno
Talus Clivo Persicaria
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Scrophulariales
Family
Fagaceae
Scrophulariaceae
Genus
Quercus
Penstemon
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
20280
1
27800
👆🏻