Life Span
-
Perennial
Type
Tree
Perennial
Origin
China, Japan
Eastern Europe, Russia, Siberia
Types
Cryptomeria japonica 'Cristata'
Cryptomeria japonica 'Dacrydioides'
Cryptomeria japonica 'Spiralis'
Cryptomeria japonica 'Bandai Sugi'
Cryptomeria japonica 'Black Dragon'
Iris sibirica
Number of Varieties
1590
0
40000
👆🏻
Habitat
Hills, low mountains, Mountain Slopes, Mountain tops, Mountains
Damp shady woods, Pastures
USDA Hardiness Zone
5-93-8
0
99
👆🏻
AHS Heat Zone
9-4
7-1
Sunset Zone
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
A2, A3, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,830.00 cm50.80 cm
0
3900
👆🏻
Minimum Width
610.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
-
White, Purple, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green, Blue Green
Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Green, Dark Green
Leaf Color in Fall
Green
Green, Dark Green
Leaf Color in Winter
Green, Purple, Brown, Bronze
Light Green
Shape
Leaf Shape
Acicular
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
-
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Ground
How to Plant?
Budding, Seedlings
Bulbs, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Do not water frequently
Keep ground moist
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
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, Apply N-P-K
All-Purpose Liquid Fertilizer
Pests and Diseases
Leaf spot, Mites, Red blotch
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
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
pollinators
Allergy
Hay fever
allergic reaction, Skin irritation
Uses
Aesthetic Uses
-
Bog Garden, Showy Purposes, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Expectorant
Part of Plant Used
Wood
Flowers, Root
Other Uses
-
Used as an insecticide
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Foundation, Screening / Wind Break, Shade Trees, Topiary / Bonsai / Espalier
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
CRYPTOMERIA japonica
IRIS sibirica
Common Name
Japanese Cedar, Japanese Cryptomeria
Siberian Iris
In Hindi
Japanese Cedar
Siberian Iris
In German
der japanischen Zeder
Sibirische Schwertlilie
In French
Cedar japonais
L'Iris de Sibérie
In Spanish
cedro japonés
Siberian Iris
In Greek
Ιαπωνικά Cedar
Siberian Iris
In Portuguese
Cedar japonês
Siberian Iris
In Polish
japoński cedr
Kosaciec syberyjski
In Latin
Italica Cedar
Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheobionta
Class
Pinopsida
Liliopsida
Order
Pinales
Liliales
Family
Cupressaceae
Iridaceae
Genus
Cyptomeria
Iris
Clade
-
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
50300
1
27800
👆🏻