Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Perennial
Origin
Northwestern United States, Canada
World, Pandemic, North America, Europe, Africa, Asia
Types
-
-
Number of Varieties
630
0
40000
👆🏻
Habitat
Lowland, Moist Soils, Swamps
Bluffs, Sandy stream banks, Wooded slopes
USDA Hardiness Zone
5-74-10
0
99
👆🏻
AHS Heat Zone
8-1
10-1
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
2b, 3a, 3b, 4, 5, 6
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
760.00 cm15.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow
White, Purple, Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sienna
-
Leaf Color in Spring
Dark Green
Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green
Leaf Color in Winter
Dark Green, Bronze
Light Green
Shape
Leaf Shape
Scale-like imbricate
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Cuttings, Hardwood Cuttings, Rooted stem cutting, Seedlings
Seedlings, Stem Planting, Transplanting
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
Medium, 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
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial 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
Armillaria root rot, Bark beetles
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
Fine
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Insects
Allergy
Asthma, contact allergic dermatitis, Urticaria
Skin irritation
Uses
Aesthetic Uses
-
Beautification, Ground Cover, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Bronchitis, Cold, Cough, Fever, Sore throat
Liver problems, Skin Disorders, Treatment of ulcers
Part of Plant Used
Branch, Inner Bark, Leaves, Wood
Flowers, Leaves
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
Employed in herbal medicine, Used as a spice
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening / Wind Break
Bedding Plant, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
THUJA plicata
IRIS cristata
Common Name
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
Crested Iris
In Hindi
Pacific redcedar
कलगी आइरिस
In German
Riesen-Lebensbaum
Crested Iris
In French
Thuja plicata
Crested Iris
In Spanish
Thuja plicata
Crested Iris
In Greek
Thuja plicata
Crested Iris
In Portuguese
Thuja plicata
Crested Iris
In Polish
Żywotnik olbrzymi
Czubaty Iris
In Latin
Thuja plicata
iubatum Iris
Kingdom
Plantae
Plantae
Phylum
Pinophyta
-
Class
Pinopsida
Liliopsida
Order
Pinales
Asparagales
Family
Cupressaceae
Iridaceae
Genus
Thuja
Iris
Clade
-
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
15210
1
27800
👆🏻