Corylus colurna Turkish Filbert Description Broad pyramidal stately tree with pale brown flaky bark. Adaptable to adverse/urban conditions. Drought tolerant once established. Excellent form and character useful for lawn or street tree plantings. Catkins are ornamental in early spring. Sizes & Prices All Hazelnut Characteristics Hardiness Zone: 4 Light requirements: Sun Height: 30-40' Spread: 15-20' Native: No Sizes & Prices Size: 10 GALLON $189.98 Other Information American Hazelnut Corylus americana Zone: 4 Sun/Shade HT: 8-12' Red-Leaved Contorted Hazelnut Corylus avellana 'Red Dragon' Zone: 4 Sun/Part Sun Turkish Filbert Corylus colurna Zone: 4 Sun HT: 30-40'