Corylus avellana, the common hazel, is a species of flowering plant in the birch family Betulaceae. The shrubs usually grow 3–8 metres (10–26 feet) tall. The nut is round, in contrast to the longer filbert nut. Common hazel is native to Europe and Western Asia. …

Corylus avellana is a large deciduous shrub that is commonly known as the European Hazel. It is native to the British Isles, Western Asia, and as far south as the Iberian Peninsula. It is famous along with other species of the genus Corylus for its production of hazelnuts (cobnuts) though avellana is the most commonly used for production. It ...

Corylus avellana, commonly called European filbert, European hazelnut or cobnut, is a deciduous, thicket-forming, multi-trunked, suckering shrub that typically grows to 12-20’ tall. It is native to Europe, western Asia and northern Africa where it is typically found growing in rich thickets, woodland borders, wooded slopes, hedgerows ...

Corylus avellana (European Hazelnut) is a large, spreading deciduous shrub or small tree of upright habit with a rounded head. The foliage of rounded, doubly serrate, medium green leaves, 4 in. long (10 cm), turns yellow in fall.

Hazel (Corylus avellana) Catkins resembling lambs tails, and late-summer nuts. Hazel is one of the most useful trees for its bendy stems and as a conservation saviour.

Deciduous shrub/tree, 12-20 ft (3.7-6 m), rounded crown, erect shoots, and produces many suckers. Leaves alternate, simple, broad, roundish, 7.5-10 cm long. Greenish yellow male flowers (catkins) hang on all winter, are yellowish as they release pollen in early winter.

2024年3月19日 · Corylus avellana 'Red Majestic' – an attractive, compact variety with an RHS Award of Garden Merit that only reaches 3m tall after 20 years. It has corkscrew stems, reddish-purple catkins and purple leaves in spring that turn green as they mature.

A sport with yellow young leaves which fade steadily to the rather dark, dull green characterictic of Corylus avellana, first described from Germany in 1864 (Petzold & Kirchner 1864).

Corylus avellana is a tough, usually a large, suckering, thicket-forming shrub, but it can also be grown as a small tree, if the suckers are controlled. The nut is edible and Corylus avellana is frequently grown for production in Europe.

Corylus avellana is a deciduous Tree growing to 6 m (19ft) by 3 m (9ft) at a medium rate. See above for USDA hardiness. It is hardy to UK zone 4 and is not frost tender. It is in flower from January to April, and the seeds ripen from September to October.