WHAT: Contorted filbert, also known as Harry Lauder’s walking stick or corylus avellana contorta, is a deciduous tree with spiraled, mangled branches that provide striking winter interest in Northwest ...

This contorted filbert cultivar is often grafted onto the rootstock of the straight species, meaning suckers from the roots will not show traits of the cultivar. In addition to being contorted, this ...

Along with spring comes life back into the garden. One of my favorite early spring shrubs is actually a small grafted tree known as Henry Lauders Walking Stick or Corylus avellana ‘Contorta’. During ...

The bonus of a four-season yard is that the trees and shrubs, in particular, provide food and shelter for the birds, beneficial insects and other creatures that share this world with us. Evergreens ...

Our native hazel (Corylus avellana) has golden catkins and snuff-brown hazelnuts enclosed in a brown-paper collar. Imagine instead pink catkins followed by claret-coloured nuts enclosed in a much ...

The investigation of isozymes peroxidases of the genus Corylus L. was performed by disk electrophoresis on polyacrylamide gel. The results showed that filbert peroxydase system was highly polymorphic, ...