A big tree with a straight, upright trunk and a wide ovoid, later often wide conical crown. This trunk gets a ridged, corky bark at an early stage. Branches too, have a soft corky bark. The leaf is wide and obovate with a double serrated margin. It is woolly haired. The inflorescence shows thick, up to 12 cm long, male catkins that hang down gracefully and inconspicuous reddish female flowers. They appear well before the leaves. The edible nuts are surrounded by capriciously grown glandular husks and are circa 2 cm across. C. colurna has a deep-rooting root system. It is a very strong tree that is little susceptible to diseases. It is drought tolerant and it also withstands hard surfaces well.
Our trees can only be planted when they don't have any leaves. Due to the this we will start delivering again from November 2024.
Corylus colurna can eventually reach a height of 20 m, depending on the site and climate conditions.
Corylus colurna is average growing and can eventually reach a height of 20 m, depending on the site and climate conditions.
The right time to plant Corylus colurna is during the dormancy period. In Western Europe, Corylus colurna with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.