Life Span
Perennial
Perennial
Type
Perennial
Needled or Scaled Evergreen
Origin
Eastern Europe, Russia, Siberia
Northwestern United States, Canada
Types
Iris sibirica
-
Number of Varieties
906
0
40000
👆🏻
Habitat
Damp shady woods, Pastures
Lowland, Moist Soils, Swamps
USDA Hardiness Zone
3-85-7
0
99
👆🏻
AHS Heat Zone
7-1
8-1
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
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Pyramidal
Plant Size
Minimum Height
50.80 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
61.00 cm760.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Purple, Blue Violet
Light Yellow
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Brown, Sienna
Leaf Color in Spring
Green, Dark Green
Dark Green
Leaf Color in Summer
Green, Dark Green
Dark Green
Leaf Color in Fall
Green, Dark Green
Dark Green
Leaf Color in Winter
Light Green
Dark Green, Bronze
Shape
Leaf Shape
Linear
Scale-like imbricate
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Summer, Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Bulbs, Seedlings
Cuttings, Hardwood Cuttings, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Keep ground moist
Average Water Needs, Needs a lot of moisture in the growing season, when new, water every week
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, 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
Armillaria root rot, Bark beetles
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
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
pollinators
-
Allergy
allergic reaction, Skin irritation
Asthma, contact allergic dermatitis, Urticaria
Uses
Aesthetic Uses
Bog Garden, Showy Purposes, Woodland margins
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Expectorant
Bronchitis, Cold, Cough, Fever, Sore throat
Part of Plant Used
Flowers, Root
Branch, Inner Bark, Leaves, Wood
Other Uses
Used as an insecticide
Dugout canoes, Making deodorants, Medicinal oil, Paper pulp, Pulp can be used to make rope place mats and other goods, Used as an insecticide, Used to make baskets
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Feature Plant, Hedges, Screening / Wind Break
Botanical Name
IRIS sibirica
THUJA plicata
Common Name
Siberian Iris
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
In Hindi
Siberian Iris
Pacific redcedar
In German
Sibirische Schwertlilie
Riesen-Lebensbaum
In French
L'Iris de Sibérie
Thuja plicata
In Spanish
Siberian Iris
Thuja plicata
In Greek
Siberian Iris
Thuja plicata
In Portuguese
Siberian Iris
Thuja plicata
In Polish
Kosaciec syberyjski
Żywotnik olbrzymi
In Latin
Siberian Iris
Thuja plicata
Kingdom
Plantae
Plantae
Phylum
Tracheobionta
Pinophyta
Class
Liliopsida
Pinopsida
Order
Liliales
Pinales
Family
Iridaceae
Cupressaceae
Genus
Iris
Thuja
Clade
Angiosperms, Monocots
-
Tribe
Irideae
-
Subfamily
Iridoideae
-
Number of Species
30015
1
27800
👆🏻