Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
Asia
-
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
Primula auricula, Bear's Ear
Number of Varieties
325
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Rocky Mountains
USDA Hardiness Zone
6-94-9
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
4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Oval or Rounded
Oval or Rounded
Plant Size
Minimum Height
1,520.00 cm20.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm25.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Yellow, Yellow Orange
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, Light Yellow, Brown
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Pinnate
Oblong
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Fall
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
Soil Drainage
Well drained
Well drained
Bloom Time
Spring, Late Spring
Early Spring, Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Divison, Stem Cutting
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Needs less watering
Average Water Needs, Do Not over Water, Never Over-water, Requires regular watering, Water more in summer
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
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, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer, Nitrogen, Phosphorous
All-Purpose Liquid Fertilizer, fertilize in growing season
Pests and Diseases
-
-
Plant Tolerance
Drought, Soil Compaction
Variety of soil types
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
-
Allergy
-
-
Uses
Aesthetic Uses
-
Beautification, Borders, Landscape Designing, Showy Purposes
Beauty Benefits
-
Good for skin, Making cosmetics, Stops hair loss
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Air purification, Food for insects, Versatility
Plant Benefits
Medicinal Uses
Diaphoretic
Eczema
Part of Plant Used
Bark, Fruits, Seeds
Root
Other Uses
-
Decoration Purposes, Medicinal oil, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Edible, Feature Plant, Fruit / Fruit Tree
Botanical Name
Pterocarya fraxinifolia
Primula auricula
Common Name
Caucasian wingnut, Caucasian walnut
auricula, mountain cowslip or bear's ear
In Hindi
wingnut
mountain cowslip
In German
wingnut
Aurikel
In French
wingnut
Primula auricula
In Spanish
wingnut
Primula auricula
In Greek
wingnut
mountain cowslip
In Portuguese
wingnut
cowslip montanha
In Polish
Wingnut
Pierwiosnek łyszczak
In Latin
wingnut
Primula auricula
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Ericales
Family
Juglandaceae
Primulaceae
Genus
Pterocarya
Primula
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Tribe
Juglandeae
-
Subfamily
Juglandoideae
Primuloideae
Number of Species
625
1
27800
👆🏻