Corylus avellana

Common name(s): Common Hazel
Blooming time: fall to spring
Blooming colors: pink, yellow-brown
Height: up to 10 m
Origin: Europe to Caucasus, West Asia
Hardiness zone (USDA): Z5 – up to -24 °C
Family: Betulaceae, Coryloideae subfamily
More infos: a red leaved cultivar is also available, the images are showing Corylus avellana “Contorta”