Life Span
-
Perennial
Type
Tree
Perennial
Origin
China, Japan
-
Types
Cryptomeria japonica 'Cristata'
Cryptomeria japonica 'Dacrydioides'
Cryptomeria japonica 'Spiralis'
Cryptomeria japonica 'Bandai Sugi'
Cryptomeria japonica 'Black Dragon'
Iris hexagona, Iris fulva
Number of Varieties
15160
0
40000
👆🏻
Habitat
Hills, low mountains, Mountain Slopes, Mountain tops, Mountains
gardens, Wet ground
USDA Hardiness Zone
5-96-9
0
99
👆🏻
AHS Heat Zone
9-4
9-5
Sunset Zone
4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, H2, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,830.00 cm81.30 cm
0
3900
👆🏻
Minimum Width
610.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
-
Yellow, Blue, Gold, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Green
Leaf Color in Spring
Green, Blue Green
Green
Leaf Color in Summer
Green, Blue Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Green, Purple, Brown, Bronze
Light Green
Shape
Leaf Shape
Acicular
Long linear and narrow
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam
Clay, Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
-
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Budding, Seedlings
Divison, From bulbs, From Rhizomes
Plant Maintenance
Medium
High
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Do not water frequently
Do not let dry out between waterings, Requires a lot of watering
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Ample Water
In Winter
Average Water
Regular watering required
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam
Clay, Loam
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 leaves
Fertilizers
All-Purpose Liquid Fertilizer, Apply N-P-K
All-Purpose Liquid Fertilizer
Pests and Diseases
Leaf spot, Mites, Red blotch
Caterpillars, Rust
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
-
-
Allergy
Hay fever
-
Uses
Aesthetic Uses
-
Bouquets, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
-
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Wood
Flowers, Leaves
Other Uses
-
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Foundation, Screening / Wind Break, Shade Trees, Topiary / Bonsai / Espalier
Bog Garden, Container, Cutflower, Mixed Border, Water Gardens
Botanical Name
CRYPTOMERIA japonica
IRIS 'Blue Duke'
Common Name
Japanese Cedar, Japanese Cryptomeria
Louisiana Iris
In Hindi
Japanese Cedar
Louisiana Iris
In German
der japanischen Zeder
Louisiana-Iris
In French
Cedar japonais
iris louisiane
In Spanish
cedro japonés
iris luisiana
In Greek
Ιαπωνικά Cedar
Λουιζιάνα ίριδας
In Portuguese
Cedar japonês
louisiana iris
In Polish
japoński cedr
louisiana tęczówki
In Latin
Italica Cedar
louisiana iris
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Pinopsida
Liliopsida
Order
Pinales
Asparagales
Family
Cupressaceae
Iridaceae
Genus
Cyptomeria
Iris
Clade
-
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
5080
1
27800
👆🏻