Corylus colurna

Erect, conical-grower with a very symmetrical branching habit. Produces edible brown nuts in autumn, although they are encased in a thick, hard, green shell that makes them difficult to extract. Fruiting is irregular, occurring every two to three years. Tolerates hot, dry climates. Excellent street tree. Has corky bark. Yellow-green catkins from early-spring to early-summer are a source of pollen for bees. Yellow autumn leaves. Has a deep rooting system, and does not transplant well.

Exotic

Deciduous

Edible

Dry soils

Street

Attracts bees

Family: Betulaceae, birch family, a family of deciduous, nut-bearing trees and shrubs.

Genus: Corylus, corylus (Latin, adjective), meaning 'a hazel or filbert shrub'. This genus name may also be derived from the Greek noun κόρυς (kórus, 'helmet'), in reference to the hard husk that covers the nut. Commonly known as hazel, a genus of deciduous trees and large shrubs native to the temperate Northern Hemisphere.

Species: Corylus colurna, colurna (Latin, adjective), meaning 'of hazel', the classical name for this species.

Common Name: Turkish Hazel

Description: Erect, conical-grower with a very symmetrical branching habit. Produces edible brown nuts in autumn, although they are encased in a thick, hard, green shell that makes them difficult to extract. Fruiting is irregular, occurring every two to three years. Tolerates hot, dry climates. Excellent street tree. Has corky bark. Yellow-green catkins from early-spring to early-summer are a source of pollen for bees. Yellow autumn leaves. Has a deep rooting system, and does not transplant well.

Height: 8m

Width: 5m

Uses: Street, Attracts bees

Soil Type: Dry soils

Winter Foliage: Deciduous

Origin: Exotic

Types: Edible

Foliage:

• Summer: Green

• Autumn: Yellow

• Winter: None

• Spring: Green

Flowers:

• Summer: Yellow, Green

• Autumn: None

• Winter: None

• Spring: Yellow, Green

Fruit:

• Summer: None

• Autumn: Green, Brown

• Winter: None

• Spring: None