Side by side

Turkish hazel or hornbeam? How to tell them apart

Corylus colurna · Carpinus betulus

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; hornbeam: smaller, strongly pleated leaf and nutlets on three-lobed winged bracts.

Turkish hazel (Corylus colurna)

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

Turkish hazel Corylus colurna

Hornbeam (Carpinus betulus)

Photo: Willow, CC BY 2.5 · source

Hornbeam Carpinus betulus

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.
Hornbeam
Sharply double-toothed leaf, pleated between the veins; grey, ‘muscular’ trunk.
Compared with Turkish hazel: smaller, strongly pleated leaf and nutlets on three-lobed winged bracts.
Turkish hazel and hornbeam side by side
Turkish hazelHornbeam
LeavesAlternate, 8–12 cm, broadly oval with a heart-shaped base, coarsely double-toothed to shallowly lobed; fairly smooth.Alternate, oval and pointed, 5–10 cm, sharply double-toothed, with 10–15 pairs of parallel veins between which the leaf is pleated.
FloweringLong yellow male catkins (up to 12 cm) in February–March (February–March).April–May
FruitHazelnuts in clusters, each in a deeply cut, curly and hairy husk; smaller and harder than ordinary hazelnuts.Nutlets on a three-lobed wing, in hanging clusters.
BarkPale grey to grey-brown, corky and flaking in small scales.Grey and smooth, with twisting ridges as if there were muscles underneath. Buds pointed and pressed against the twig.
Shape and heightBroadleaf tree, 15–25 mBroadleaf tree, 15–25 m, often as a hedge
SiteFull sun, any garden soil, drySun to shade, any garden soil, normal
Native to BelgiumNo, plantedYes
Good for bees, butterflies and birds–Yes, for butterflies and birds
Poisonous to people and petsNot known to be poisonousNot known to be poisonous
Pruning monthsNovember–MarchJune–September and November–February

What does it mean for your garden?

  • Hornbeam is native: it feeds more insects and birds than a non-native species. If in doubt, choose this one.
  • Turkish hazel (15–25 m) and hornbeam (15–25 m) both grow into large trees: too big for an ordinary garden, but fine in a large garden, a park or a meadow.

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All species that look alike

This comparison is compiled from the Bladwijzer species pages.

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