Corkscrew hazel 'Contorta' - Evergreen and hardy - Hardy plant GreenThis shrub can grow into a sturdy bush! The corkscrew hazel (Corylus avellana) has graceful twisting branches. That's what gives it its name! Place a bare branch in vase to decorate your living room. Long catkins grow on the hazel branches. They bloom beautifully in the winter. Snip off branches in the spring. Place the plant in full sun. The hazel only needs water in dry periods.