Side by side

Turkish hazel or hazel? How to tell them apart

Corylus colurna · Corylus avellana

How to tell them apart – Turkish hazel: A hazel as a tree, straight trunk, regular conical crown and nuts in a deeply cut, curly husk; hazel: multi-stemmed shrub with a softly hairy leaf, and nuts in a shorter, leafy husk.

Turkish hazel (Corylus colurna)

Photo: Michael Kranewitter, CC BY-SA 3.0 at · source

Turkish hazel Corylus colurna

Hazel (Corylus avellana)

Photo: H. Zell, CC BY-SA 3.0 · source

Hazel Corylus avellana

How do you recognise them?

Turkish hazel
A hazel as a tree: straight trunk, regular conical crown and nuts in a deeply cut, curly husk.
Hazel
Round, softly hairy leaf with a short pointed tip; yellow catkins in winter, and hazelnuts.
Compared with Turkish hazel: multi-stemmed shrub with a softly hairy leaf, and nuts in a shorter, leafy husk.
Turkish hazel and hazel side by side
Turkish hazelHazel
LeavesAlternate, 8–12 cm, broadly oval with a heart-shaped base, coarsely double-toothed to shallowly lobed; fairly smooth.Alternate, almost round with a short pointed tip, 6–12 cm, double-toothed, softly hairy; heart-shaped base.
FloweringLong yellow male catkins (up to 12 cm) in February–March (February–March).Yellow, hanging male catkins as early as January–February; tiny red stigmas of the female flowers (January–March).
FruitHazelnuts in clusters, each in a deeply cut, curly and hairy husk; smaller and harder than ordinary hazelnuts.Hazelnuts in a leafy, ragged husk (September).
BarkPale grey to grey-brown, corky and flaking in small scales.Glossy grey-brown with pale lenticels.
Shape and heightBroadleaf tree, 15–25 mShrub, 3–8 m, multi-stemmed shrub
SiteFull sun, any garden soil, drySun to shade, any garden soil, normal
Native to BelgiumNo, plantedYes
Good for bees, butterflies and birds–Yes, for bees, butterflies and birds
Poisonous to people and petsNot known to be poisonousNot known to be poisonous
Pruning monthsNovember–MarchNovember–March

What does it mean for your garden?

  • Hazel is native: it feeds more insects and birds than a non-native species. If in doubt, choose this one.
  • Turkish hazel grows 15–25 m tall: too big for an ordinary garden, but fine in a large garden, a park or a meadow.

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Identify by feature

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This comparison is compiled from the Bladwijzer species pages.

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