Life Span
Perennial
Perennial
Type
Flowering Plants
Broadleaf Evergreen
Origin
Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States
-
Types
Penstemon
Rhododendron, Azalea indica, Azalea japonica
Number of Varieties
1510
0
40000
👆🏻
Habitat
Fields, open Woodlands, Wood Margins
Forests
USDA Hardiness Zone
3-88-11
0
99
👆🏻
AHS Heat Zone
8-1
-
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
21,22
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
60.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm90.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Red
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Dark Red
Green, Dark Green
Leaf Color in Summer
Dark Red
Green, Dark Green
Leaf Color in Fall
Dark Red
Green, Dark Green
Leaf Color in Winter
-
Green, Dark Green
Shape
Leaf Shape
Lance-shaped to oblong
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Early Spring, Spring, Late Fall, Winter, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
-
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Root Division, Seedlings, Softwood cuttings
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do not water frequently
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic
Soil Type
Loam, Sand
Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
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, Apply N-P-K
Pests and Diseases
Leaf spot, Root rot
Caterpillars, Citrus leaf miner, Petal blight, Red blotch, Rust, Twig blight, Whiteflies
Plant Tolerance
Drought
Drought, Shade areas
Flowers
Showy
Showy
Flower Petal Number
Single
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
Onion thrips, White Pine Weevil
Allergy
Mild Allergen
-
Uses
Aesthetic Uses
Borders, Wild gardens
Bonsai, Cottage Garden
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Tooth ache
Astringent
Part of Plant Used
Root
Flowers, Leaves
Other Uses
Showy Purposes
Repellent, used for making charcoal, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Mixed Border, Wildflower
Container, Feature Plant, Foundation, Mixed Border, Rock Garden, Wall, Topiary, Bonsai, Espalier
Botanical Name
PENSTEMON digitalis 'Husker Red'
RHODODENDRON 'Anthopogon'
Common Name
Husker Red Penstemon, Talus Slope Penstemon
Evergreen Azalea
In Hindi
Talus Slope Penstemon
Azalea
In German
Gehängeschutt Penstemon
Azalee
In French
Talus Slope Penstemon
azalée
In Spanish
Astrágalo pendiente Penstemon
azalea
In Greek
Αστράγαλος Κλίση Penstemon
αζάλεα
In Portuguese
Talus Penstemon Slope
Azalea
In Polish
Talus Slope Penstemon
azalia
In Latin
Talus Clivo Persicaria
Azalea
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Ericales
Family
Scrophulariaceae
Ericaceae
Genus
Penstemon
Rhododendron
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Asterids, Eudicots
Tribe
-
Rhodoreae
Subfamily
-
Ericoideae
Number of Species
2801024
1
27800
👆🏻