Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Eastern Europe, Russia, Siberia
Types
-
-
Number of Varieties
3010
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Grassland, Pastures, Swamps
USDA Hardiness Zone
4-73-8
0
99
👆🏻
AHS Heat Zone
7-1
9-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
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
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,370.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Long Narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Fast
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Average
Bloom Time
Early Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Ground
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
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
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Maritime exposure, Salt water
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Butterflies
Allergy
-
-
Uses
Aesthetic Uses
-
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
-
Part of Plant Used
Flowers, Inner Bark, Sap
Flowers, Leaves
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Decoration Purposes, Showy Purposes, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
ALNUS rubra
IRIS sibirica 'Caesar's Brother'
Common Name
Oregon Alder, Red Alder
Siberian Iris
In Hindi
red alder
Caesar's Brother Siberian Iris
In German
rot-Erle
Caesars Bruder Sibirische Iris
In French
aulne rouge
Frère Iris de Sibérie de César
In Spanish
aliso rojo
De César Hermano Siberian Iris
In Greek
κόκκινη σκλήθρα
Καίσαρα Αδελφός Σιβηρίας Iris
In Portuguese
amieiro vermelho
Irmão de César Siberian Iris
In Polish
czerwony olcha
Cezara Brat syberyjski Iris
In Latin
red alnus
Caesaris Frater Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Genus
Alnus
Abelia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
Iridoideae
Number of Species
3535
1
27800
👆🏻