Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Asia
World, Pandemic, North America, Europe, Africa, Asia
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
-
Number of Varieties
330
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Bluffs, Sandy stream banks, Wooded slopes
USDA Hardiness Zone
6-94-10
0
99
👆🏻
AHS Heat Zone
9-1
10-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2b, 3a, 3b, 4, 5, 6
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm15.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
White, Purple, Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green, Yellow green
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Divison, Stem Cutting
Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Medium, Requires watering in the growing season
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, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
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
Bees, Insects
Allergy
-
Skin irritation
Uses
Aesthetic Uses
-
Beautification, Ground Cover, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification
Plant Benefits
Medicinal Uses
Diaphoretic
Liver problems, Skin Disorders, Treatment of ulcers
Part of Plant Used
Bark, Fruits, Seeds
Flowers, Leaves
Other Uses
-
Employed in herbal medicine, Used as a spice
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Bedding Plant, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
Pterocarya fraxinifolia
IRIS cristata
Common Name
Caucasian wingnut, Caucasian walnut
Crested Iris
In Hindi
wingnut
कलगी आइरिस
In German
wingnut
Crested Iris
In French
wingnut
Crested Iris
In Spanish
wingnut
Crested Iris
In Greek
wingnut
Crested Iris
In Portuguese
wingnut
Crested Iris
In Polish
Wingnut
Czubaty Iris
In Latin
wingnut
iubatum Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Juglandaceae
Iridaceae
Genus
Pterocarya
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Juglandeae
Irideae
Subfamily
Juglandoideae
Iridoideae
Number of Species
6210
1
27800
👆🏻