Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Eastern Europe, Russia, Siberia
United States, California
Types
-
-
Number of Varieties
108
0
40000
👆🏻
Habitat
Grassland, Pastures, Swamps
Woodland Garden Canopy
USDA Hardiness Zone
3-86-9
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
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Spreading
Plant Size
Minimum Height
90.00 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Yellow, Orange, Pink
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Long Narrow
Irregular
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
-
The pH of Soil
Acidic, Neutral, Alkaline
-
Soil Drainage
Average
-
Bloom Time
Early Summer, Summer
Spring
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
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
-
Soil Type
Clay, Loam, Sand
-
Soil Drainage Capacity
Average
-
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, Remove dead or diseased plant parts
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
-
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
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
-
Pollen
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
-
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Flowers, Leaves
Leaves, Seeds, Wood
Other Uses
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Feature Plant, Foundation, Mixed Border
Feature Plant, Shade Trees, Street Trees
Botanical Name
IRIS sibirica 'Caesar's Brother'
QUERCUS douglasii
Common Name
Siberian Iris
Blue Oak
In Hindi
Caesar's Brother Siberian Iris
Blue Oak Tree
In German
Caesars Bruder Sibirische Iris
Blaue Eiche
In French
Frère Iris de Sibérie de César
Bleu Oak Tree
In Spanish
De César Hermano Siberian Iris
Azul del árbol de roble
In Greek
Καίσαρα Αδελφός Σιβηρίας Iris
Μπλε Oak Tree
In Portuguese
Irmão de César Siberian Iris
Carvalho azul
In Polish
Cezara Brat syberyjski Iris
Niebieski Oak Tree
In Latin
Caesaris Frater Siberian Iris
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Fagales
Family
Iridaceae
Fagaceae
Genus
Abelia
Quercus
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
Iridoideae
-
Number of Species
3520
1
27800
👆🏻