Scientific Name: Corylus colurna
Common Name: Turkish filbert, Turkish hazel
Family Name: Betulaceae
Origin: Central / west Asia, Europe
Hardiness Zone: Zone 4: (-34 to -29 °C)
Plant Type: Tree - deciduous
Mature Size: 22 - 30m x 10 - 15m (height x width)
Habit: Upright
Form: Pyramidal - widely
Texture: Medium - coarse
Landscape Uses: Shade tree, Street (boulevard tree), Wildlife food
Exposure: Full sun, Part sun/part shade
Soil or Media: Acidic, Humus rich, Well-drained
Leaves: Simple, Alternate, Soft flexible, Pubescent, Obovate, Ovate, Double serrate
Flowers: Catkin (ament), Yellow, Green, Mar
Fruit: Aggregate fruit, Edible, Nut, (Accessory tissue), Green, Brown, Sep-Oct
Key ID Features:
Trunk short with dense, horizontal, low branching; leaves alternate, broadly ovate to obovate, most blades 8-13cm x 6-10cm wide, double-toothed; catkins (male) up to 8cm long in March; nuts 1-1.5cm long x 8-10mm wide, spiny and hairy husks extend beyond the 4-6 nuts they enclose. Winter ID: bark grey but may flake off on mature trees to reveal an orange-brown inner bark.