Plant Details

Corylus colurna

Turkish Hazel

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Common names

32 names · 21 languages
EnglishYour language
Other languages (20)
Dutch
  • Boomhazelaar
  • Turkse boomhazelaar[2]
  • Turkse hazelaar[2]
French
  • Coudrier de Byzance[2]
  • Noisetier de Byzance
Basque
  • Turkiako hurritza[2]
Chinese (Simplified)
  • 土耳其榛[2]
Chinese (Traditional)
  • 土耳其榛[2]
Croatian
  • Divoljeska[2]
  • Drvolika lijeska[2]
  • Medvjeđa lijeska[2]
+1 more nameShow fewer names
  • Turska lijeska[2]
Czech
  • líska turecká[2]
Danish
  • tyrkisk hassel[2]
Estonian
  • kõrgetüveline sarapuu[2]
Finnish
  • turkinpähkinäpensas[2]
German
  • Baum-Hasel[1][2]
  • Byzantinische Hasel[2]
  • Türkische Hasel[2]
+1 more nameShow fewer names
  • Türkische Haselnuss[2]
Hungarian
  • Török mogyoró[2]
Lithuanian
  • Turkinis lazdynas[2]
Polish
  • Leszczyna turecka[2]
Russian
  • Лещина древовидная[2]
  • Орешник древовидный[2]
Slovak
  • lieska turecká[2]
Slovenian
  • Turška leska[2]
Swedish
  • turkisk hassel[2]
Turkish
  • Türk Fındığı[2]
Ukrainian
  • Ліщина турецька[2]
Sources & name notes (2)

Names recorded in our plant catalogue and botanical sources, grouped by language. Usage can vary by region.

Numbered references identify names recorded by an external source. Other names are from our plant catalogue.

[1] Catalogue of Life 2026-08-20 — Corylus colurna L. ↗

Common names from World Plants, version 26.05, reproduced in Catalogue of Life 2026-08-20. License: CC BY.

Source records
  • Baum-Hasel (DE); Turkish Hazel (EN) — VernacularName.tsv, line 154661; taxon 6B78B.
[2] Corylus colurna — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy; common-name attestation, not an independent botanical determination.

Source records
  • Turkish Hazel — results[0].names[1]; taxon id 367960; Corylus colurna.
  • Turkish hazelnut — results[0].names[2]; taxon id 367960; Corylus colurna.
  • líska turecká — results[0].names[3]; taxon id 367960; Corylus colurna.
  • Baum-Hasel — results[0].names[4]; taxon id 367960; Corylus colurna.
  • Türkische Hasel — results[0].names[5]; taxon id 367960; Corylus colurna.
  • Türkische Haselnuss — results[0].names[6]; taxon id 367960; Corylus colurna.
  • Byzantinische Hasel — results[0].names[7]; taxon id 367960; Corylus colurna.
  • Turkse hazelaar — results[0].names[8]; taxon id 367960; Corylus colurna.
  • Coudrier de Byzance — results[0].names[9]; taxon id 367960; Corylus colurna.
  • Лещина древовидная — results[0].names[10]; taxon id 367960; Corylus colurna.
  • kõrgetüveline sarapuu — results[0].names[11]; taxon id 367960; Corylus colurna.
  • turkinpähkinäpensas — results[0].names[12]; taxon id 367960; Corylus colurna.
  • Medvjeđa lijeska — results[0].names[13]; taxon id 367960; Corylus colurna.
  • Drvolika lijeska — results[0].names[14]; taxon id 367960; Corylus colurna.
  • Turska lijeska — results[0].names[15]; taxon id 367960; Corylus colurna.
  • Divoljeska — results[0].names[16]; taxon id 367960; Corylus colurna.
  • turkisk hassel — results[0].names[17]; taxon id 367960; Corylus colurna.
  • Turkse boomhazelaar — results[0].names[18]; taxon id 367960; Corylus colurna.
  • 土耳其榛 — results[0].names[19]; taxon id 367960; Corylus colurna.
  • 土耳其榛 — results[0].names[20]; taxon id 367960; Corylus colurna.
  • Turkinis lazdynas — results[0].names[21]; taxon id 367960; Corylus colurna.
  • Török mogyoró — results[0].names[22]; taxon id 367960; Corylus colurna.
  • tyrkisk hassel — results[0].names[23]; taxon id 367960; Corylus colurna.
  • Leszczyna turecka — results[0].names[24]; taxon id 367960; Corylus colurna.
  • Ліщина турецька — results[0].names[25]; taxon id 367960; Corylus colurna.
  • Türk Fındığı — results[0].names[26]; taxon id 367960; Corylus colurna.
  • Turška leska — results[0].names[27]; taxon id 367960; Corylus colurna.
  • lieska turecká — results[0].names[28]; taxon id 367960; Corylus colurna.
  • Turkiako hurritza — results[0].names[29]; taxon id 367960; Corylus colurna.
  • Орешник древовидный — results[0].names[30]; taxon id 367960; Corylus colurna.

General information

Scientific name: Corylus colurna
Accepted name (Kew): Corylus colurna L. View name reference ↗

Accepted in the cited Kew taxonomic treatment.

Sources [1] [2]
Botanical family: Betulaceae

Kew's family placement for the genus Corylus (WCVP v16).

Sources [1]
Also known as: Turkish Hazel
Images: Google Images

Plant characteristics

Layer: Nut tree
Catalogue size class: Large
Height: 12.19–24.38 m

NC State landscape size range; converted from feet and inches. Size varies with site, age and management.

Sources [3]
Spread: 9.14–15.24 m

NC State landscape size range; converted from feet and inches. Size varies with site, age and management.

Sources [3]
Growth rate: Slow
Sources [3]
Foliage: Deciduous
Sources [3]
Growth habit: Dense, Horizontal, Pyramidal

Whole-plant habit and form as described by NC State.

Sources [3]

Growing conditions

USDA hardiness: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b

USDA zones listed by NC State; winter survival does not establish reliable cropping.

Sources [3]
Soil moisture:
Well-drained, Moist, Occasionally Dry, Occasionally Wet

Moisture and drainage conditions listed by NC State.

Sources [3]
Soil:
Clay, Loam (Silt), Sand
Sources [3]
pH:
Acid (<6.0)
Sources [3]
Light:
Full sun, Partial Shade
Sources [3]

Uses

Edible parts:
Oil, Tonic, Seed
Edibility rating:
(3)
Medicinal rating:
(1)
Functions:
Oil, Wood, Carbon farming

Description

Seeds: can be consumed raw or cooked. They contain a lot of oil and have a flavor similar to hazelnuts. The seeds ripen from the middle to the end of autumn. If you plan to eat them, it is wise to protect them from squirrels. Unshelled seeds can be stored for up to a year in a cool place and can also be used to make oil.

Harvest

Harvest starts: 01/09
Harvest ends: 31/10

Crown

Crown shape: Narrow pyramidal
Crown density: Semi-open crown

Sources and references

References for the information marked with source numbers on this page.

Sources checked
  1. Royal Botanic Gardens, Kew World Checklist of Vascular Plants, version 16, extracted 4 June 2026
    Supports: Botanical familyTaxonomy
    Relevant sections
    • Botanical family: WCVP v16, wcvp_names.csv row 20844; name ID 47827; Corylus L.. Family column.
    • Taxonomy: WCVP v16, wcvp_names.csv row 987622; name ID 47866; Corylus colurna L..

    Source checked on .

    Source data licence: CC BY 3.0.

  2. Catalogue of Life Catalogue of Life 2026-08-20 — Corylus colurna

    Taxonomic data from World Plants, version 26.05, reproduced in Catalogue of Life 2026-08-20.

    Supports: Taxonomy
    Relevant sections
    • Taxonomy: COL 2026-08-20, NameUsage.tsv line 2033926, ID 6B78B: Corylus colurna L. (accepted).

    Source checked on .

  3. NC State Extension, North Carolina State University Corylus colurna — Extension Gardener Plant Toolbox
    Supports: HeightSpreadGrowth rateFoliageGrowth habitLightSoil moistureSoil textureSoil pHUSDA hardiness
    Relevant sections
    • Height: Dimensions > Height; Height: 40 ft. 0 in. - 80 ft. 0 in.
    • Spread: Dimensions > Width; Width: 30 ft. 0 in. - 50 ft. 0 in.
    • Growth rate: Growth Rate
    • Foliage: Woody Plant Leaf Characteristics
    • Growth habit: Habit/Form
    • Light: Light
    • Soil moisture: Soil Drainage
    • Soil texture: Soil Texture
    • Soil pH: Soil pH
    • USDA hardiness: USDA Plant Hardiness Zone

    Source checked on .