Life Span
Perennial
Perennial
Type
Perennial, Shrub
Perennial
Origin
Northwestern United States, Canada
Eastern Europe, Russia, Siberia
Types
sharpleaf penstemon, white-margined beardtongue, lowland beardtongue
-
Number of Varieties
7810
0
40000
👆🏻
Habitat
foothill woods, High elevation, Open areas, Rocky areas
Grassland, Pastures, Swamps
USDA Hardiness Zone
4-93-8
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15
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
Mat-forming
Clump-Forming
Plant Size
Minimum Height
45.72 cm90.00 cm
0
3900
👆🏻
Minimum Width
40.64 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Purple
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
Dark Green
Light Green
Shape
Leaf Shape
Narrow and lance shape
Long Narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Slow
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Late Spring, Early Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering, Requires regular watering, Water occasionally
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
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
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
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
Fine
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Hummingbirds, Butterflies
Butterflies
Allergy
Asthma, Pollen
-
Uses
Aesthetic Uses
Cottage Garden, Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Wildlife
Air purification
Plant Benefits
Medicinal Uses
Recovering internal injuries, Wounds
-
Part of Plant Used
Flowers
Flowers, Leaves
Other Uses
Container, Used as Ornamental plant, Veterinarian uses
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Alpine, Container, Mixed Border, Rock Garden / Wall, Wildflower
Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
PENSTEMON fruticosus 'Purple Haze'
IRIS sibirica 'Caesar's Brother'
Common Name
Bush Penstemon, Shrubby Penstemon
Siberian Iris
In Hindi
Bush Penstemon
Caesar's Brother Siberian Iris
In German
Bush Penstemon
Caesars Bruder Sibirische Iris
In French
Bush Penstemon
Frère Iris de Sibérie de César
In Spanish
Bush Penstemon
De César Hermano Siberian Iris
In Greek
Μπους Penstemon
Καίσαρα Αδελφός Σιβηρίας Iris
In Portuguese
Bush, Penstemon
Irmão de César Siberian Iris
In Polish
Bush Penstemon
Cezara Brat syberyjski Iris
In Latin
Persicaria Bush
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
25035
1
27800
👆🏻