Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Eastern Europe, Russia, Siberia
Europe, Southern Asia, Southeastern Asia, India, China
Types
-
cinnamomeum, zeylanicum, delavayi
Number of Varieties
105
0
40000
👆🏻
Habitat
Grassland, Pastures, Swamps
Dappled Shade, Woodlands
USDA Hardiness Zone
3-87-9
0
99
👆🏻
AHS Heat Zone
9-1
9-6
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
H1, 8, 9, 14, 15, 16, 17, 23, 24
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
90.00 cm910.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm300.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
White, Red, Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Chocolate
Leaf Color in Spring
Green
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
Ovate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic
Soil Drainage
Average
Average
Bloom Time
Early Summer, Summer
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
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
Reduce water once established
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
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead leaves
Prune after flowering, Prune if you want to improve plant shape, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
Doesn't require fertilization when grown in rich soil, Fertilize in early spring, fertilize in winter, Mulch
Pests and Diseases
Red blotch
Phytophthora, Thripes
Plant Tolerance
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
Coarse
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Insect Repellent, Shadow Tree, Windbreak
Plant Benefits
Medicinal Uses
-
antimicrobial, Cancer, Dermatitis
Part of Plant Used
Flowers, Leaves
Flowers, Leaves
Other Uses
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used as fuel, Used as insect repellent, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Feature Plant, Foundation, Mixed Border
Feature Plant, Mixed Border, Topiary / Bonsai / Espalier
Botanical Name
IRIS sibirica 'Caesar's Brother'
RHODODENDRON arboreum
Common Name
Siberian Iris
Chalan, Rose Tree, Tree Rhododendron
In Hindi
Caesar's Brother Siberian Iris
लाल बुरांश
In German
Caesars Bruder Sibirische Iris
Rhododendron arboreum
In French
Frère Iris de Sibérie de César
Rhododendron arboreum
In Spanish
De César Hermano Siberian Iris
arboreum rododendro
In Greek
Καίσαρα Αδελφός Σιβηρίας Iris
Rhododendron arboreum
In Portuguese
Irmão de César Siberian Iris
arboreum Rhododendron
In Polish
Cezara Brat syberyjski Iris
różanecznik drzewiasty
In Latin
Caesaris Frater Siberian Iris
Prunus arborea
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Ericales
Family
Iridaceae
Ericaceae
Genus
Abelia
Rhododendron
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
Iridoideae
-
Number of Species
351000
1
27800
👆🏻