Corylus colurna: Country Or Region Of Origin
Europe to Iran
Plant Profile: Corylus colurna
Taxonomy: Corylus colurnaNames
Constantinople Hazel, Tree Hazel, Turkish Hazel
Phonetic Spelling:kor-EE-lus koh-LUR-nuh
Genus:Corylus
Species:colurna
Family:Betulaceae
The Turkish Hazel is a sizable deciduous tree belonging to the beech family, known for its edible fruits. Once established, it demonstrates resilience to drought and is well-suited for urban environments, serving as an ideal shade tree for lawns or streets.
Regarding pests, diseases, and other plant-related issues, it faces no significant challenges.
Corylus colurna Feature Summary
Tags
#deciduous
#large shade tree
#shade tree
#drought tolerant
#wildlife plant
#street tree
#lawn tree
#edible tree
#naturalized area
#deciduous tree
#food source winter
#food source fall
#urban conditions tolerant
Similar Plants
Corylus colurna Feature Summary
Attributes
Europe to Iran
Nuts are enjoyed by small mammals.
Nuts can be roasted and eaten but are often left for small mammals.
Woody
Fruit
Edible nuts have spiny hairy husks and appear in clusters of 3-6. Nut litter can be a problem in hardscaped areas.
Nut
Edible
Flowers
Early spring male flowers are yellow and though not showy individually clustered together give some interest to the March landscape. Female catkins are insignificant.
Gold/Yellow
Insignificant
Catkin
Spring
< 1 inch
Leaves
5" long bright green glossy leaves with hairy veins on the underside. Fall color is unremarkable yellow.
Deciduous
Green
Gold/Yellow
Insignificant
Simple
Ovate
Obovate
Denticulate
3-6 inches
Glossy
Bark
Gray brown mottled and corky bark has an orange-brown inner bark.
Dark Gray
Dark Brown
Orange
Spongy
Exfoliating
Whole Plant Traits
Edible
Tree
Deciduous
Dense
Horizontal
Low
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Occasionally Dry
4a
4b
5b
5a
6a
6b
7a
7b
Stem
Landscape
Edible Garden
Shade Tree
Street Tree
Drought
Urban Conditions
Lawn
Naturalized Area
Messy
Corylus colurna Image Gallery
Corylus colurna Attributes
Corylus colurna: Wildlife Value
Nuts are enjoyed by small mammals.
Corylus colurna: Edibility
Nuts can be roasted and eaten but are often left for small mammals.
Corylus colurna: Life Cycle
Annual
Biennial
Bulb
Perennial
Woody
Corylus colurna Fruit
Corylus colurna: Fruit Description
Edible nuts have spiny hairy husks and appear in clusters of 3-6. Nut litter can be a problem in hardscaped areas.
Corylus colurna: Fruit Type
Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua
Corylus colurna: Fruit Value To Gardener
Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy
Corylus colurna Flowers
Corylus colurna: Flower Description
Early spring male flowers are yellow and though not showy individually clustered together give some interest to the March landscape. Female catkins are insignificant.
Corylus colurna: Flower Color
Gold/Yellow
Corylus colurna: Flower Inflorescence
Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel
Corylus colurna: Flower Bloom Time
Winter
Spring
Summer
Fall
Corylus colurna: Flower Size
1-3 inches
3-6 inches
< 1 inch
> 6 inches
Corylus colurna Leaves
Corylus colurna: Leaf Description
5" long bright green glossy leaves with hairy veins on the underside. Fall color is unremarkable yellow.
Corylus colurna: Woody Plant Leaf Characteristics
Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen
Corylus colurna: Leaf Color
Green
Corylus colurna: Deciduous Leaf Fall Color
Gold/Yellow
Insignificant
Corylus colurna: Leaf Type
Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple
Corylus colurna: Leaf Shape
Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate
Corylus colurna: Leaf Margin
Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate
Corylus colurna: Hairs Present
No
Yes
Corylus colurna: Leaf Length
< 1 inch
1-3 inches
3-6 inches
> 6 inches
Corylus colurna: Leaf Feel
Fleshy
Glossy
Leathery
Papery
Prickly
Rough
Rubbery
Slippery
Smooth
Soft
Velvety
Waxy
Corylus colurna Bark
Corylus colurna: Bark Description
Gray brown mottled and corky bark has an orange-brown inner bark.
Corylus colurna: Bark Color
Dark Brown
Dark Gray
Orange
Corylus colurna: Surface/Attachment
Bumpy
Exfoliating
Fissured
Furrowed
Lenticels
Papery
Patchy
Peeling
Ridges
Scaly
Shaggy
Shiny
Shredding
Smooth
Spongy
Corylus colurna Whole Plant Traits
Corylus colurna: Plant Type
Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower
Corylus colurna: Woody Plant Leaf Characteristics
Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen
Corylus colurna: Habit/Form
Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping
Corylus colurna: Maintenance
Low
Medium
High
Corylus colurna Cultural Conditions
Corylus colurna: Light
Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Corylus colurna: Soil Drainage
Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry
Corylus colurna: USDA Plant Hardiness Zone
4a
4b
5a
5b
6a
6b
7a
7b
Corylus colurna Stem
Corylus colurna: Stem Is Aromatic
No
Yes
Corylus colurna Landscape
Corylus colurna: Landscape Theme
Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden
Corylus colurna: Design Feature
Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree
Corylus colurna: Resistance To Challenges
Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind
Corylus colurna: Landscape Location
Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland
Corylus colurna: Problems
Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy
