Life Span
Perennial
Perennial
Type
Needled or Scaled Evergreen
Cactus or Succulent
Origin
Northwestern United States, Canada
Southern Europe, Western Europe
Types
-
Sempervivum altum, Sempervivum davisii, Sempervivum juvanii
Number of Varieties
640
0
40000
👆🏻
Habitat
Lowland, Moist Soils, Swamps
limestone outcrops, Rocky areas, Stone and Masonry fences and walls
USDA Hardiness Zone
5-75-8
0
99
👆🏻
AHS Heat Zone
8-1
8-1
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
Rosette/Stemless
Plant Size
Minimum Height
1,520.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
760.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow
Light Pink
Flower Color Modifier
Bicolor
-
Fruit Color
Brown, Sienna
-
Leaf Color in Spring
Dark Green
Blue Green, Burgundy
Leaf Color in Summer
Dark Green
Blue Green, Burgundy
Leaf Color in Fall
Dark Green
Blue Green, Burgundy
Leaf Color in Winter
Dark Green, Bronze
Blue Green, Burgundy
Shape
Leaf Shape
Scale-like imbricate
V-Shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Loam
Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring
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
Low
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
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
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
-
Fertilizers
All-Purpose Liquid Fertilizer
20-20-20 amount, All-Purpose Liquid Fertilizer
Pests and Diseases
Armillaria root rot, Bark beetles
Aphids, Mealybugs, Red blotch
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
Bold
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
-
Allergy
Asthma, contact allergic dermatitis, Urticaria
-
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Bronchitis, Cold, Cough, Fever, Sore throat
Antipruritic, Astringent, Diuretic, Odontalgic
Part of Plant Used
Branch, Inner Bark, Leaves, Wood
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
Cosmetics, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Hedges, Screening / Wind Break
Alpine, Container, Groundcover, Rock Garden, Wall
Botanical Name
THUJA plicata
SEMPERVIVUM calcareum
Common Name
Giant Arborvitae, Green Giant Arborvitae, Western Arborvitae, Western Red Cedar
Houseleek, Common houseleek
In Hindi
Pacific redcedar
houseleek
In German
Riesen-Lebensbaum
Hauswurz
In French
Thuja plicata
joubarbe
In Spanish
Thuja plicata
houseleek
In Greek
Thuja plicata
houseleek
In Portuguese
Thuja plicata
houseleek
In Polish
Żywotnik olbrzymi
houseleek
In Latin
Thuja plicata
AMERIMNON
Kingdom
Plantae
Plantae
Phylum
Pinophyta
Magnoliophyta
Class
Pinopsida
Magnoliopsida
Order
Pinales
Rosales
Family
Cupressaceae
Crassulaceae
Genus
Thuja
Sempervivum
Clade
-
Angiosperms, Core eudicots, Eudicots
Tribe
-
Sedeae
Subfamily
-
Sedoideae
Number of Species
1540
1
27800
👆🏻