Life Span
Perennial
Biennial
Type
Perennial
Tree
Origin
Eastern Europe, Russia, Siberia
Central United States, Canada
Types
-
Two-petal ash, Single-leaf ash, Fragrant ash
Number of Varieties
1065
0
40000
👆🏻
Habitat
Grassland, Pastures, Swamps
Dry areas, Hills, limestone outcrops, Moist woods
USDA Hardiness Zone
3-84-8
0
99
👆🏻
AHS Heat Zone
9-1
8-4
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
2a, 2b, 3a, 3b, 4, 5, 6
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
90.00 cm2,500.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm100.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Violet
Green, Purple
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Green, Tan
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Yellow, Light Yellow
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Long Narrow
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral, Alkaline
Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
-
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Transplanting
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
Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full 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
-
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
-
-
Uses
Aesthetic Uses
Beautification, Bouquets, Landscape Designing, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Flowers, Leaves
Inner Bark, Seeds
Other Uses
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used as a dye, Used for woodware, Wood is used in construction
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Cutflower, Feature Plant, Foundation, Mixed Border
Shade Trees, Street Trees
Botanical Name
IRIS sibirica 'Caesar's Brother'
FRAXINUS quadrangulata
Common Name
Siberian Iris
Blue Ash
In Hindi
Caesar's Brother Siberian Iris
Blue Ash plant
In German
Caesars Bruder Sibirische Iris
Blue Ash Pflanze
In French
Frère Iris de Sibérie de César
usine Blue Ash
In Spanish
De César Hermano Siberian Iris
planta de Blue Ash
In Greek
Καίσαρα Αδελφός Σιβηρίας Iris
φυτό Blue Ash
In Portuguese
Irmão de César Siberian Iris
planta Blue Ash
In Polish
Cezara Brat syberyjski Iris
Blue Ash roślin
In Latin
Caesaris Frater Siberian Iris
Blue Ash herba
Kingdom
Plantae
Plantae
Phylum
-
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Asparagales
Scrophulariales
Family
Iridaceae
Oleaceae
Genus
Abelia
Fraxinus
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
-
Oleeae
Subfamily
Iridoideae
-
Number of Species
3565
1
27800
👆🏻