Life Span
Perennial
Perennial
Type
Perennial
Perennial, Shrub
Origin
Eastern Europe, Russia, Siberia
Northwestern United States, Canada
Types
-
sharpleaf penstemon, white-margined beardtongue, lowland beardtongue
Number of Varieties
1078
0
40000
👆🏻
Habitat
Grassland, Pastures, Swamps
foothill woods, High elevation, Open areas, Rocky areas
USDA Hardiness Zone
3-84-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
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
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15
Habit
Clump-Forming
Mat-forming
Plant Size
Minimum Height
90.00 cm45.72 cm
0
3900
👆🏻
Minimum Width
60.00 cm40.64 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown
Leaf Color in Spring
Green
Dark Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Dark Green
Leaf Color in Winter
Light Green
Dark Green
Shape
Leaf Shape
Long Narrow
Narrow and lance shape
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Summer, Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep the ground moist but not water-logged, Requires regular watering, Requires watering in the growing season
Needs less watering, Requires regular watering, Water occasionally
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
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, 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
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Hummingbirds, Butterflies
Allergy
-
Asthma, Pollen
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Cottage Garden, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Wildlife
Plant Benefits
Medicinal Uses
-
Recovering internal injuries, Wounds
Part of Plant Used
Flowers, Leaves
Flowers
Other Uses
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Container, Used as Ornamental plant, Veterinarian uses
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Feature Plant, Foundation, Mixed Border
Alpine, Container, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
IRIS sibirica 'Caesar's Brother'
PENSTEMON fruticosus 'Purple Haze'
Common Name
Siberian Iris
Bush Penstemon, Shrubby Penstemon
In Hindi
Caesar's Brother Siberian Iris
Bush Penstemon
In German
Caesars Bruder Sibirische Iris
Bush Penstemon
In French
Frère Iris de Sibérie de César
Bush Penstemon
In Spanish
De César Hermano Siberian Iris
Bush Penstemon
In Greek
Καίσαρα Αδελφός Σιβηρίας Iris
Μπους Penstemon
In Portuguese
Irmão de César Siberian Iris
Bush, Penstemon
In Polish
Cezara Brat syberyjski Iris
Bush Penstemon
In Latin
Caesaris Frater Siberian Iris
Persicaria Bush
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Scrophulariales
Family
Iridaceae
Scrophulariaceae
Genus
Abelia
Penstemon
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Iridoideae
-
Number of Species
35250
1
27800
👆🏻