Corylus maxima
Filbert
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Filbert (Corylus maxima) - Description
Corylus maxima, the filbert, is a species of hazel native to southeastern Europe and southwestern Asia, from the Balkans to Ordu in Turkey. It is a deciduous shrub 6–10 m (20–33 ft) tall, with stems up to 20 cm (8 in) thick. The leaves are rounded, 5–12 cm long by 4–10 cm broad, with a coarsely double-serrated margin.
Filbert (Corylus maxima) - Blooming
Bears yellow catkins followed by nuts.
Filbert (Corylus maxima) - Growth
Deciduous trees and shrubs. Plants in this genus will range 5-50 ft. tall. Does best in sun or partial shade. Species with colored leaves should be grown in full sun. Grow smaller species in a shrub border. Larger species make good specimen trees.
Filbert (Corylus maxima) - Planting
Sow seeds as soon as ripe in a seedbed. Graft in winter.
Filbert (Corylus maxima) - Pest
Tent caterpillars, bud mites, and webworms. Other problems include blight, canker, dieback, powdery mildew, mushroom rot, rust, and fungal leaf spots.
Filbert (Corylus maxima) - Interesting facts
C. avellana 'Contorta' produces twisted shoots that are used in flower arrangements.
Filbert (Corylus maxima) - Soil and irrigation
Most species require regular water. Does best with well-draining, alkaline soils.









