Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Asia
Eastern Europe, Russia, Siberia
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
Iris sibirica
Number of Varieties
390
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Damp shady woods, Pastures
USDA Hardiness Zone
6-93-8
0
99
👆🏻
AHS Heat Zone
9-1
7-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 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
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm50.80 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm61.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
White, Purple, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Green, Dark Green
Leaf Color in Fall
Green, Yellow green
Green, Dark Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Drought
Where to Plant?
Ground
Ground
How to Plant?
Divison, Stem Cutting
Bulbs, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
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, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Remove all suckers, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
All-Purpose Liquid Fertilizer
Pests and Diseases
-
Red blotch
Plant Tolerance
Drought, Soil Compaction
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
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Hummingbirds
pollinators
Allergy
-
allergic reaction, Skin irritation
Uses
Aesthetic Uses
-
Bog Garden, Showy Purposes, Woodland margins
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification
Plant Benefits
Medicinal Uses
Diaphoretic
Expectorant
Part of Plant Used
Bark, Fruits, Seeds
Flowers, Root
Other Uses
-
Used as an insecticide
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Bog Garden, Cutflower, Feature Plant, Foundation, Mixed Border
Botanical Name
Pterocarya fraxinifolia
IRIS sibirica
Common Name
Caucasian wingnut, Caucasian walnut
Siberian Iris
In Hindi
wingnut
Siberian Iris
In German
wingnut
Sibirische Schwertlilie
In French
wingnut
L'Iris de Sibérie
In Spanish
wingnut
Siberian Iris
In Greek
wingnut
Siberian Iris
In Portuguese
wingnut
Siberian Iris
In Polish
Wingnut
Kosaciec syberyjski
In Latin
wingnut
Siberian Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheobionta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Liliales
Family
Juglandaceae
Iridaceae
Genus
Pterocarya
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Juglandeae
Irideae
Subfamily
Juglandoideae
Iridoideae
Number of Species
6300
1
27800
👆🏻