Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Russia, Siberia, China, Japan
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Iris ensata, Iris japonica
-
Number of Varieties
603
0
40000
👆🏻
Habitat
Boggy areas, gardens, meadows, Shores of rivers or lakes
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
3-94-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
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, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
90.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
60.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Lavender, Blue Violet
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Black
Leaf Color in Spring
Green, Light Green
Green, Light Green
Leaf Color in Summer
Green
Green, Light Green
Leaf Color in Fall
Green, Brown
Yellow, Light Yellow, Tan
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Linear
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Early Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Seedlings
Seedlings
Plant Maintenance
Medium
Low
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
Requires a lot of watering, Requires regular watering
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, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
All-Purpose Liquid Fertilizer, Apply N-P-K, Nitrogen
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
Aphids, Red blotch, Rhizome rot, Slugs, Snails, Viruses
Aphids, Red blotch, Sawfly Larvae
Plant Tolerance
Drought, Full Sun, Variety of soil types
Pollution, Soil Compaction, Wet Site
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
Medium
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, Butterflies, Flies, Snails
-
Allergy
Skin irritation
Asthma
Uses
Aesthetic Uses
Beautification, Bog Garden, Bouquets, Cottage Garden, Showy Purposes
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
Alterative, Anthelmintic, Antidote, Appetizer, Depurative, Diuretic, Hepatitis
-
Part of Plant Used
Leaves, Root
Whole plant
Other Uses
Basketary, Fibre
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Cutflower, Feature Plant, Mixed Border, Water Gardens
Feature Plant, Shade Trees
Botanical Name
IRIS ensata
BETULA nigra
Common Name
Iris
Japanese iris
River Birch
In Hindi
Japanese iris
River Birch
In German
Japanese iris
Fluss Birch
In French
iris Xapanese
Birch river
In Spanish
Iris Xapanese
river Birch
In Greek
ιαπωνική ίριδα
ποταμός Birch
In Portuguese
íris japonesa
river Birch
In Polish
japońskie iris
Rzeka Birch
In Latin
Iris Italica
Betula
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Asparagales
Fagales
Family
Iridaceae
Betulaceae
Genus
Iris
Betula
Clade
Angiosperms, Monocots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
603
1
27800
👆🏻