Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
North America, United States, Northwestern United States, Alaska, California, Canada
Russia, Siberia, China, Japan
Types
-
Iris ensata, Iris japonica
Number of Varieties
3060
0
40000
👆🏻
Habitat
Lowland evergreen rainforest
Boggy areas, gardens, meadows, Shores of rivers or lakes
USDA Hardiness Zone
4-73-9
0
99
👆🏻
AHS Heat Zone
7-1
9-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Pyramidal
Clump-Forming
Plant Size
Minimum Height
1,370.00 cm90.00 cm
0
3900
👆🏻
Minimum Width
610.00 cm60.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow, Red, Coral
Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Brown
Brown
Leaf Color in Spring
Green, Dark Green
Green, Light Green
Leaf Color in Summer
Dark Green
Green
Leaf Color in Fall
Dark Green
Green, Brown
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Ovate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Growth Rate
Fast
Medium
Type of Soil
Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring
Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Maritime exposure, Salt water
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Layering, Seedlings
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Do Not over Water, Water Deeply, Water slowly, and allow to dry completely between soakings, Water twice a day in the initial period
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
Soil Type
Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun, Partial shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Pinching, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen
All-Purpose Liquid Fertilizer, Apply N-P-K, Nitrogen
Pests and Diseases
-
Aphids, Red blotch, Rhizome rot, Slugs, Snails, Viruses
Plant Tolerance
Maritime exposure, Salt water
Drought, Full Sun, Variety of soil types
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Insects
Bees, Butterflies, Flies, Snails
Allergy
-
Skin irritation
Uses
Aesthetic Uses
-
Beautification, Bog Garden, Bouquets, Cottage Garden, Showy Purposes
Beauty Benefits
Skin Problems
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Prevent Soil Erosion, Shadow Tree
Air purification
Plant Benefits
Medicinal Uses
Anodyne, Appetizer, Astringent
Alterative, Anthelmintic, Antidote, Appetizer, Depurative, Diuretic, Hepatitis
Part of Plant Used
Flowers, Inner Bark, Sap
Leaves, Root
Other Uses
Used as a dye, used for making charcoal, Used for making informal hedge
Basketary, Fibre
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Screening / Wind Break, Shade Trees
Bog Garden, Cutflower, Feature Plant, Mixed Border, Water Gardens
Botanical Name
ALNUS rubra
IRIS ensata
Common Name
Oregon Alder, Red Alder
Iris
Japanese iris
In Hindi
red alder
Japanese iris
In German
rot-Erle
Japanese iris
In French
aulne rouge
iris Xapanese
In Spanish
aliso rojo
Iris Xapanese
In Greek
κόκκινη σκλήθρα
ιαπωνική ίριδα
In Portuguese
amieiro vermelho
íris japonesa
In Polish
czerwony olcha
japońskie iris
In Latin
red alnus
Iris Italica
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Genus
Alnus
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
-
Number of Species
3560
1
27800
👆🏻