Life Span
Perennial
Perennial
Type
Flowering Plants
Perennial
Origin
Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States
Eastern Europe, Russia, Siberia
Types
Penstemon
-
Number of Varieties
1510
0
40000
👆🏻
Habitat
Fields, open Woodlands, Wood Margins
Grassland, Pastures, Swamps
USDA Hardiness Zone
3-83-8
0
99
👆🏻
AHS Heat Zone
8-1
9-1
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
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
60.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
30.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Light Pink
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Dark Red
Green
Leaf Color in Summer
Dark Red
Green
Leaf Color in Fall
Dark Red
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Lance-shaped to oblong
Long Narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Root Division, Seedlings, Softwood cuttings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season
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, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
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 leaves
Fertilizers
Complete balanced fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Leaf spot, Root rot
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
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
Butterflies
Allergy
Mild Allergen
-
Uses
Aesthetic Uses
Borders, Wild gardens
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Tooth ache
-
Part of Plant Used
Root
Flowers, Leaves
Other Uses
Showy Purposes
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Mixed Border, Wildflower
Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
PENSTEMON digitalis 'Husker Red'
IRIS sibirica 'Caesar's Brother'
Common Name
Husker Red Penstemon, Talus Slope Penstemon
Siberian Iris
In Hindi
Talus Slope Penstemon
Caesar's Brother Siberian Iris
In German
Gehängeschutt Penstemon
Caesars Bruder Sibirische Iris
In French
Talus Slope Penstemon
Frère Iris de Sibérie de César
In Spanish
Astrágalo pendiente Penstemon
De César Hermano Siberian Iris
In Greek
Αστράγαλος Κλίση Penstemon
Καίσαρα Αδελφός Σιβηρίας Iris
In Portuguese
Talus Penstemon Slope
Irmão de César Siberian Iris
In Polish
Talus Slope Penstemon
Cezara Brat syberyjski Iris
In Latin
Talus Clivo Persicaria
Caesaris Frater Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Scrophulariales
Asparagales
Family
Scrophulariaceae
Iridaceae
Genus
Penstemon
Abelia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Iridoideae
Number of Species
28035
1
27800
👆🏻