Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Tender Perennial
Origin
Northwestern United States, Canada
Southern Africa
Types
-
Perennial
Number of Varieties
650
0
40000
👆🏻
Habitat
Lowland, Moist Soils, Swamps
Desert, Mediterranean region, Subtropical climates, Temperate Regions
USDA Hardiness Zone
5-78-10
0
99
👆🏻
AHS Heat Zone
8-1
10-8
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
H1, H2, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm61.30 cm
0
3900
👆🏻
Minimum Width
760.00 cm30.50 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow
Yellow, Light Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sienna
Green, Brown
Leaf Color in Spring
Dark Green
Green, Gray Green
Leaf Color in Summer
Dark Green
Green, Gray Green
Leaf Color in Fall
Dark Green
Green, Gray Green
Leaf Color in Winter
Dark Green, Bronze
Light Green
Shape
Leaf Shape
Scale-like imbricate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
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, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Pollution, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Cuttings, Hardwood Cuttings, Rooted stem cutting, Seedlings
Rhizome division, 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
Requires regular watering
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
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Any balanced general purpose fertilizer
Pests and Diseases
Armillaria root rot, Bark beetles
Nematodes, Scale
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
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, Birds, Butterflies
Allergy
Asthma, contact allergic dermatitis, Urticaria
Skin irritation
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Ethnobotanic
Plant Benefits
Medicinal Uses
Bronchitis, Cold, Cough, Fever, Sore throat
-
Part of Plant Used
Branch, Inner Bark, Leaves, Wood
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
Roots were worn to protect and strengthen the wearer, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening / Wind Break
Bog Garden, Container, Feature Plant, Mixed Border, Tropical, Water Gardens
Botanical Name
THUJA plicata
DIETES bicolor
Common Name
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
African iris, Fortnight lily
In Hindi
Pacific redcedar
African Iris
In German
Riesen-Lebensbaum
Afrikanische Iris
In French
Thuja plicata
African Iris
In Spanish
Thuja plicata
Iris africano
In Greek
Thuja plicata
Αφρικανική Iris
In Portuguese
Thuja plicata
Iris africano
In Polish
Żywotnik olbrzymi
Afryki Iris
In Latin
Thuja plicata
African Iris
Kingdom
Plantae
Plantae
Phylum
Pinophyta
Magnoliophyta
Class
Pinopsida
Magnoliopsida
Order
Pinales
Asparagales
Family
Cupressaceae
Iridaceae
Genus
Thuja
Dietes
Clade
-
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
15300
1
27800
👆🏻