Life Span
Perennial
Annual and Perennial
Type
Needled or Scaled Evergreen
Flowering Plants, Shrubs
Origin
Northwestern United States, Canada
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Types
-
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Number of Varieties
6100
0
40000
👆🏻
Habitat
Lowland, Moist Soils, Swamps
Forest edges, Hillside, Woods
USDA Hardiness Zone
5-72-11
0
99
👆🏻
AHS Heat Zone
8-1
7 - 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
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Upright/Erect
Plant Size
Minimum Height
1,520.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
760.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow
Blue, Sky Blue, Indigo, Dark Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown, Sienna
Brown, Sandy Brown
Leaf Color in Spring
Dark Green
Sea Green, Gray Green
Leaf Color in Summer
Dark Green
Sea Green, Gray Green
Leaf Color in Fall
Dark Green
Sea Green, Gray Green
Leaf Color in Winter
Dark Green, Bronze
Light Green
Shape
Leaf Shape
Scale-like imbricate
Oblovate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Very Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
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
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
Keep ground moist, Requires a lot of watering, 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
Slightly Acidic
Soil Type
Clay, Loam, Sand
Loamy
Soil Drainage Capacity
Well drained
Loamy
Sun Exposure
Full Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Compost
Pests and Diseases
Armillaria root rot, Bark beetles
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
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
-
Butterflies
Allergy
Asthma, contact allergic dermatitis, Urticaria
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Uses
Aesthetic Uses
-
Beautification, Bouquets, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Plant Benefits
Medicinal Uses
Bronchitis, Cold, Cough, Fever, Sore throat
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Branch, Inner Bark, Leaves, Wood
Flowers, 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
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening / Wind Break
Container, Herb
Botanical Name
THUJA plicata
CENTAUREA cyanus
Common Name
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
Batchelor's Buttons, Cornflower
In Hindi
Pacific redcedar
Hydrangea
In German
Riesen-Lebensbaum
Hortensie
In French
Thuja plicata
Hortensia
In Spanish
Thuja plicata
Hortensia
In Greek
Thuja plicata
υδραγεία
In Portuguese
Thuja plicata
Hortênsia
In Polish
Żywotnik olbrzymi
Hortensja
In Latin
Thuja plicata
Hibiscus
Kingdom
Plantae
Plantae
Phylum
Pinophyta
Anthophyta
Class
Pinopsida
Magnoliopsida
Order
Pinales
Asterales
Family
Cupressaceae
Asteraceae
Genus
Thuja
Centaurea
Clade
-
Angiosperms, Asterids, Eudicots
Tribe
-
Cynareae
Subfamily
-
Carduoideae
Number of Species
15250
1
27800
👆🏻