Life Span
Perennial
Perennial
Type
Flowering Plants
Perennial
Origin
Southwestern United States, California
Eastern Europe, Russia, Siberia
Types
-
-
Number of Varieties
4010
0
40000
👆🏻
Habitat
Dry areas, meadows
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, 7, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21
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
61.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
25.40 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Crimson
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Oblong
Long Narrow
Thorns
✔
✘
✔
✘
Plant Season
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
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer, Late Summer
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Requires watering in the growing season, Water Deeply, Water when soil is dry
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
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
No pruning needed in the early stages, Prune to stimulate growth, Remove damaged leaves, Remove dead leaves, Remove deadheads
Remove damaged leaves, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply 10-10-10 amount
All-Purpose Liquid Fertilizer
Pests and Diseases
Insects
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
Hummingbirds
Butterflies
Allergy
Asthma
-
Uses
Aesthetic Uses
Showy Purposes
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Burns, Snakebite, Stomach aliments
-
Part of Plant Used
Whole plant
Flowers, Leaves
Other Uses
Used as Ornamental plant
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Mixed Border, Rock Garden / Wall, Wildflower
Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
PENSTEMON eatonii
IRIS sibirica 'Caesar's Brother'
Common Name
Firecracker Penstemon
Siberian Iris
In Hindi
Firecracker penstemon
Caesar's Brother Siberian Iris
In German
Kracher penstemon
Caesars Bruder Sibirische Iris
In French
Firecracker penstemon
Frère Iris de Sibérie de César
In Spanish
Penstemon del petardo
De César Hermano Siberian Iris
In Greek
πυροτέχνημα penstemon
Καίσαρα Αδελφός Σιβηρίας Iris
In Portuguese
Penstemon do foguete
Irmão de César Siberian Iris
In Polish
petarda penstemon
Cezara Brat syberyjski Iris
In Latin
Firecracker Persicaria
Caesaris Frater Siberian Iris
Kingdom
Plantae
Plantae
Phylum
-
-
Class
-
Liliopsida
Order
Lamiales
Asparagales
Family
Scrophulariaceae
Iridaceae
Genus
Penstemon
Abelia
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Iridoideae
Number of Species
25035
1
27800
👆🏻