Life Span
Perennial
Perennial
Type
Perennial
Needled or Scaled Evergreen
Origin
-
Northwestern United States, Canada
Types
-
-
Number of Varieties
506
0
40000
👆🏻
Habitat
Cold Regions, Temperate Regions
Lowland, Moist Soils, Swamps
USDA Hardiness Zone
4-85-7
0
99
👆🏻
AHS Heat Zone
8-1
8-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
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
Cushion/Mound-forming
Pyramidal
Plant Size
Minimum Height
20.30 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
27.90 cm760.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue, Lavender
Light Yellow
Flower Color Modifier
-
Bicolor
Fruit Color
-
Brown, Sienna
Leaf Color in Spring
Green, Purple
Dark Green
Leaf Color in Summer
Green, Purple
Dark Green
Leaf Color in Fall
Green, Purple
Dark Green
Leaf Color in Winter
Light Green
Dark Green, Bronze
Shape
Leaf Shape
Linear
Scale-like imbricate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Loam
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring, Late Spring, Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Pollution, Soil Compaction
Where to Plant?
Container, Ground
Ground
How to Plant?
Seedlings
Cuttings, Hardwood Cuttings, Rooted stem cutting, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Keep ground moist, Water more in summer
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, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Partial Sun, Partial shade
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, as it is a flowering plant, use high phosphorous content fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Armillaria root rot, Bark beetles
Plant Tolerance
Drought
Drought
Flowers
Showy
Insignificant
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
Fine
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
-
Allergy
-
Asthma, contact allergic dermatitis, Urticaria
Uses
Aesthetic Uses
Beautification, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Black Dyes
Bronchitis, Cold, Cough, Fever, Sore throat
Part of Plant Used
-
Branch, Inner Bark, Leaves, Wood
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
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Feature Plant, Hedges, Screening / Wind Break
Botanical Name
Polemonium caeruleum
THUJA plicata
Common Name
Jacob's Ladder
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
In Hindi
Jacob's Ladder
Pacific redcedar
In German
Jacob's Ladder
Riesen-Lebensbaum
In French
Jacob's Ladder
Thuja plicata
In Spanish
Jacob's Ladder
Thuja plicata
In Greek
Jacob's Ladder
Thuja plicata
In Portuguese
Jacob's Ladder
Thuja plicata
In Polish
Jacob's Ladder
Żywotnik olbrzymi
In Latin
Jacob's Ladder
Thuja plicata
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Pinophyta
Class
Magnoliopsida
Pinopsida
Order
Ericales
Pinales
Family
Polemoniaceae
Cupressaceae
Genus
Polemonium
Thuja
Clade
Angiosperms, Asterids, Eudicots
-
Tribe
-
-
Subfamily
-
-
Number of Species
4015
1
27800
👆🏻