Corylus colurna
Turkish Filbert, Turkish Hazel
Betulaceae
ExpandHabitat
- 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