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TREES & Plants

Turkish hazelnut

Turkish hazelnut is an excellent hardy tree for lawns, street plantings, and urban conditions.  Its heavy-textured, dark green foliage is free of insect and disease.  This tree is also pH adaptable and tolerant of heat, cold, and drought once it is established.
 Aside from its outstanding cultural tolerance, Turkish hazelnut yields attractive male catkins in early spring and striking beaked fruits.

Botanical name: 
Corylus colurna
All Common Names: 
Turkish hazelnut, Turkish hazel, Turkish filbert
Family (English): 
Birch
Family (Botanic): 
Betulaceae
Tree or Plant Type: 
  • Tree
Foliage: 
  • Deciduous (foliage falls off)
Native Locale: 
  • Non-native
Hardiness Zones: 
  • Zone 4
  • Zone 5
  • Zone 6
  • Zone 7
Growth Rate: 
  • Medium
Light Exposure: 
  • Full sun (6 hrs direct light daily)
  • Partial sun (4-6 hrs direct light daily)
  • Partial shade (4-6 hrs indirect light daily)
Tolerances: 
  • Occasional drought
  • Alkaline soil
Soil Preference: 
  • Moist, well-drained soil
Flower Color & Fragrance: 
  • Inconspicuous
Size Range: 
  • Large tree (more than 40 feet)
Shape or Form: 
  • Pyramidal
Landscape Uses: 
  • Specimen
  • Shade
  • Parkway/street
Time of Year: 
  • Early fall
More Information: 

Size and Form

40 to 50 feet high and 20 to 25 feet wide; pyramidal form.

Tree & Plant Care

Not common in the nursery trade.
Tree can sucker at the base, so sucker removal may become necessary.
Tolerant of heat, cold, and drought once established; pH adaptable and does well in urban conditions.

Disease, pests and problems

No serious pests

Native geographic location and habitat

Native to Europe and Asia

Bark color and texture 

Bark is light brown to gray, becoming flaky with age.

Leaf or needle arrangement, size, shape, and texture

Simple, alternate leaves with a jagged edge;  heavy-textured and dark green in summer; 2 to 6 inches long.
Fall color is a mild yellow.

Flower arrangement, shape, and size

Relatively inconspicuous; tiny male flowers in hanging catkins; tiny, pink females.

Fruit, cone, nut, and seed descriptions

Edible hazelnuts (filberts)  enclosed in a frilly husk.