Hazel
Corylus avellana L.
- light
- Sun–part
- water
- Medium
- tall
- 4.9 m
- wide
- 3.5 m
Betulaceae
Also called Cobnut, Common hazel, Common Hazel, European hazel
When it flowers
JFMAMJJASOND
Not known yet in the tropics: too few flowering observations to read a season from.
PetsNo pet-safety information yet
PeopleNo safety information yet
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- Shrub or treeKew's checklist, not yet checked
- Climate
- TemperateKew's checklist, not yet checked
- Wild in
- Europe to CaucasusKew's checklist, not yet checked
- Light
- Full sun to part shade (3 h or more)Read from NC State Extension, one source
- Height
- 3.7 m to 6.1 mRead from NC State Extension, one source
- Spread
- 2.4 m to 4.6 mRead from NC State Extension, one source
- Water
- Average: moist, well drainedRead from NC State Extension, one source
- Flowers
- Yellow, greenRead from NC State Extension, one source
- Coldest it survives
- -34.4 °C (USDA zone 4a)Read from NC State Extension, one source
Not known yet: heat, hottest it survives.
In other languages (12)
- Dutch
- Hazelaar, hazelaar
- Welsh
- Collen
- Latvian
- Lazda
- Spanish
- Avellano
- Galician
- Abeleira
- Norwegian Bokmål
- Hassel
- Norwegian Nynorsk
- Hassel
- Swedish
- Hassel
- Afrikaans
- Haselaar
- Arabic
- بندق شائع
- Azerbaijani
- Adi fındıq
- Bashkir
- Сәтләүек ағасы
Where this comes from
- Wikidata, read 2026-10-25, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- NC State Extension, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-25, CC BY-SA 3.0
- 3D model: Corylus avellana (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.