Life Span
Perennial
Perennial
Type
Tree
Tree
Origin
Asia
Southern Europe, Mediterranean, Northern Africa
Types
Pterocarya fraxinifolia, Pterocarya stenoptera
Quercus ilex, Quercus rotundifolia
Number of Varieties
32
0
40000
👆🏻
Habitat
Boggy areas, Mixed deciduous forest
Mediterranean region
USDA Hardiness Zone
6-94-8
0
99
👆🏻
AHS Heat Zone
9-1
9-2
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, 12, 13, 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 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
1,220.00 cm1,070.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow green
Red, Yellow green
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Brown
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Green
Green, Dark Green
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green, Yellow green
Dark Green
Leaf Color in Winter
-
Dark Green
Shape
Leaf Shape
Pinnate
Oblong or Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
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
Average
Bloom Time
Spring, Late Spring
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Soil Compaction
Pollution, Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Divison, Stem Cutting
Grafting, Seedlings
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
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
fertilize in fall, Nitrogen, Phosphorous, Potassium
Pests and Diseases
-
Aphids, Moth
Plant Tolerance
Drought, Soil Compaction
Pollution, Shade areas
Flowers
Showy
Insignificant
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
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Hummingbirds
Birds, Insects
Allergy
-
-
Uses
Aesthetic Uses
-
Cottage Garden
Beauty Benefits
-
Good for skin, Skin Problems
Edible Uses
✔
✘
✔
✘
Environmental Uses
-
Nesting sites for birds, Shadow Tree
Plant Benefits
Medicinal Uses
Diaphoretic
Digestive, Skin irritation
Part of Plant Used
Bark, Fruits, Seeds
Bark, Fruits, Wood
Other Uses
-
Charcoal, Used as firewood, Used for its medicinal properties, Wood is used fore making tools
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Feature Plant, Hedges, Screening / Wind Break, Shade Trees, Street Trees
Botanical Name
Pterocarya fraxinifolia
QUERCUS ilex
Common Name
Caucasian wingnut, Caucasian walnut
Evergreen Oak, Holly Oak, Holm Oak
In Hindi
wingnut
होल्म ओक
In German
wingnut
Steineiche
In French
wingnut
chêne vert
In Spanish
wingnut
encina
In Greek
wingnut
πρινόδενδρο
In Portuguese
wingnut
azinheira
In Polish
Wingnut
dąb skalny
In Latin
wingnut
ilice
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Fagales
Family
Juglandaceae
Fagaceae
Genus
Pterocarya
Quercus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
Juglandeae
-
Subfamily
Juglandoideae
-
Number of Species
617
1
27800
👆🏻