Corylus colurna

Turkish Filbert, Turkish Hazel

Betulaceae

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Habitat

  • native to southeastern Europe
  • zone 4

Habit and Form

  • a deciduous tree
  • 40' to 50' tall
  • 20' to 25' wide
  • pyramidal crown
  • medium growth rate
  • medium texture

Summer Foliage

  • alternate leaf arrangement
  • simple, deciduous leaves
  • obovate leaf shape with a cordate leaf base
  • up to 6" long
  • doubly serrated leaf margin
  • pubescence on petiole and leaf veins
  • dark green leaf color

Autumn Foliage

  • yellow to purplish-red fall color

Flowers

  • monoecious
  • 2" to 3" long catkins
  • blooms early spring

Fruit

  • nut, 0.5" across
  • nut enclosed in involucre
  • matures in September
  • edible

Bark

  • pale brown bark
  • flaky bark
  • pubescent, gray-brown stems

Culture

  • tolerant of extreme conditions
  • a well-drained, loamy soil
  • full sun

Landscape Use

  • for naturalized areas
  • for fruit
  • for difficult, dry sites
  • as a barrier
  • for naturalistic areas
  • for form
  • street tree
  • urban tolerant

Liabilities

  • difficult to find
  • hard to propagate and transplant
  • no serious pest problems

ID Features

  • alternate leaf arrangement
  • pubescent petioles
  • pubescent, large, green-brown buds
  • nut with an involucre covering
  • large male catkins in spring
  • pubescent, young, grayish stems

Propagation

  • by seed
  • by cuttings

Cultivars/Varieties

  • hard to find

© Copyright Mark H. Brand, 1997-2015.

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Citation and Acknowledgements: University of Connecticut Plant Database, http://hort.uconn.edu/plants, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.