Life Span
Perennial
Perennial
Type
Tree
Bulb or Corm or Tuber
Origin
Asia
South America, Argentina
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
Perennial
Number of Varieties
335
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Temperate Regions
USDA Hardiness Zone
6-95-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
21,22
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm5.10 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Light Blue, Light Purple, Silver, Sky Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
-
Leaf Color in Spring
Green
Green, Light Green, Gray Green
Leaf Color in Summer
Green
Light Green
Leaf Color in Fall
Green, Yellow green
Several shades of Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun, Partial shade
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
Early Spring, Spring, Late Winter
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Divison, Stem Cutting
By dividing rhizomes, tubers
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Average Water Needs, Do Not over Water, 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, 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, Partial shade
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
-
Slugs, Snails
Plant Tolerance
Drought, Soil Compaction
Drought
Flowers
Showy
Showy
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, Birds, Hummingbirds
Allergy
-
-
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification
Plant Benefits
Medicinal Uses
Diaphoretic
-
Part of Plant Used
Bark, Fruits, Seeds
Flowers
Other Uses
-
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Lawns and Turf, Mixed Border, Rock Garden / Wall, Wildflower
Botanical Name
Pterocarya fraxinifolia
Ipheion uniflorum
Common Name
Caucasian wingnut, Caucasian walnut
Spring Starflower, Springstar
In Hindi
wingnut
Spring Starflower
In German
wingnut
Frühling Borretsch
In French
wingnut
Spring Starflower
In Spanish
wingnut
primavera Flor de estrella
In Greek
wingnut
άνοιξη starflower
In Portuguese
wingnut
primavera Starflower
In Polish
Wingnut
Wiosna Starflower
In Latin
wingnut
Spring Starflower
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Lilopsida
Order
Fagales
Asparagales
Family
Juglandaceae
Liliaceae
Genus
Pterocarya
Ipheion
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
Juglandeae
Gilliesieae
Subfamily
Juglandoideae
Allioideae
Number of Species
650
1
27800
👆🏻