Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Perennial
Origin
Northwestern United States, Canada
Russia, Siberia, China, Japan
Types
-
Iris ensata, Iris japonica
Number of Varieties
660
0
40000
👆🏻
Habitat
Lowland, Moist Soils, Swamps
Boggy areas, gardens, meadows, Shores of rivers or lakes
USDA Hardiness Zone
5-73-9
0
99
👆🏻
AHS Heat Zone
8-1
9-1
Sunset Zone
A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
760.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow
Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sienna
Brown
Leaf Color in Spring
Dark Green
Green, Light Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green, Brown
Leaf Color in Winter
Dark Green, Bronze
Light Green
Shape
Leaf Shape
Scale-like imbricate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Cuttings, Hardwood Cuttings, Rooted stem cutting, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Needs a lot of moisture in the growing season, when new, water every week
Do Not over Water, Water Deeply, Water slowly, and allow to dry completely between soakings, Water twice a day in the initial period
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
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply N-P-K, Nitrogen
Pests and Diseases
Armillaria root rot, Bark beetles
Aphids, Red blotch, Rhizome rot, Slugs, Snails, Viruses
Plant Tolerance
Drought
Drought, Full Sun, Variety of soil types
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
Fine
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Butterflies, Flies, Snails
Allergy
Asthma, contact allergic dermatitis, Urticaria
Skin irritation
Uses
Aesthetic Uses
-
Beautification, Bog Garden, Bouquets, Cottage Garden, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Bronchitis, Cold, Cough, Fever, Sore throat
Alterative, Anthelmintic, Antidote, Appetizer, Depurative, Diuretic, Hepatitis
Part of Plant Used
Branch, Inner Bark, Leaves, Wood
Leaves, Root
Other Uses
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
Basketary, Fibre
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening / Wind Break
Bog Garden, Cutflower, Feature Plant, Mixed Border, Water Gardens
Botanical Name
THUJA plicata
IRIS ensata
Common Name
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
Iris
Japanese iris
In Hindi
Pacific redcedar
Japanese iris
In German
Riesen-Lebensbaum
Japanese iris
In French
Thuja plicata
iris Xapanese
In Spanish
Thuja plicata
Iris Xapanese
In Greek
Thuja plicata
ιαπωνική ίριδα
In Portuguese
Thuja plicata
íris japonesa
In Polish
Żywotnik olbrzymi
japońskie iris
In Latin
Thuja plicata
Iris Italica
Kingdom
Plantae
Plantae
Phylum
Pinophyta
Tracheophyta
Class
Pinopsida
Magnoliopsida
Order
Pinales
Asparagales
Family
Cupressaceae
Iridaceae
Genus
Thuja
Iris
Clade
-
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
-
Number of Species
1560
1
27800
👆🏻