Life Span
Perennial
Perennial
Type
Perennial
Perennial
Origin
Russia, Siberia, China, Japan
-
Types
Iris ensata, Iris japonica
-
Number of Varieties
6050
0
40000
👆🏻
Habitat
Boggy areas, gardens, meadows, Shores of rivers or lakes
Cold Regions, Temperate Regions
USDA Hardiness Zone
3-94-8
0
99
👆🏻
AHS Heat Zone
9-1
8-1
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17
Habit
Clump-Forming
Cushion/Mound-forming
Plant Size
Minimum Height
90.00 cm20.30 cm
0
3900
👆🏻
Minimum Width
60.00 cm27.90 cm
0
6350
👆🏻
Plant Color
Flower Color
Lavender, Blue Violet
Blue, Lavender
Flower Color Modifier
Bicolor
-
Fruit Color
Brown
-
Leaf Color in Spring
Green, Light Green
Green, Purple
Leaf Color in Summer
Green
Green, Purple
Leaf Color in Fall
Green, Brown
Green, Purple
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Linear
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer
Early Spring, Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Container, Ground, Pot
Container, Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Water Deeply, Water slowly, and allow to dry completely between soakings, Water twice a day in the initial period
Average Water Needs, Keep ground moist, Water more in summer
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, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Partial Sun, Partial shade
Pruning
Cut or pinch the stems, Pinching, 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, Nitrogen
All-Purpose Liquid Fertilizer, as it is a flowering plant, use high phosphorous content fertilizer
Pests and Diseases
Aphids, Red blotch, Rhizome rot, Slugs, Snails, Viruses
Red blotch
Plant Tolerance
Drought, Full Sun, Variety of soil types
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies, Snails
Butterflies
Allergy
Skin irritation
-
Uses
Aesthetic Uses
Beautification, Bog Garden, Bouquets, Cottage Garden, Showy Purposes
Beautification, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Alterative, Anthelmintic, Antidote, Appetizer, Depurative, Diuretic, Hepatitis
Black Dyes
Part of Plant Used
Leaves, Root
-
Other Uses
Basketary, Fibre
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Cutflower, Feature Plant, Mixed Border, Water Gardens
Feature Plant, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
IRIS ensata
Polemonium caeruleum
Common Name
Iris
Japanese iris
Jacob's Ladder
In Hindi
Japanese iris
Jacob's Ladder
In German
Japanese iris
Jacob's Ladder
In French
iris Xapanese
Jacob's Ladder
In Spanish
Iris Xapanese
Jacob's Ladder
In Greek
ιαπωνική ίριδα
Jacob's Ladder
In Portuguese
íris japonesa
Jacob's Ladder
In Polish
japońskie iris
Jacob's Ladder
In Latin
Iris Italica
Jacob's Ladder
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asparagales
Ericales
Family
Iridaceae
Polemoniaceae
Genus
Iris
Polemonium
Clade
Angiosperms, Monocots
Angiosperms, Asterids, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
6040
1
27800
👆🏻