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Turkish Hazelnut. (Tree of the Month)
Arbor Age. 22.7 (July 2002): p38.
Full Text: 

Botanical Name: Corylus colurna

Common Name: Turkish Hazelnut

Parentage: Introduction

Height: 50 to 60 feet

Spread: 25 to 35 feet

Form: Rounded to oval shape, handsome or stately

Bloom Period: Winter to very early spring

Flower: Catkins on male flowers, female flowers are inconspicuous

Fruit: Small nut 1/2-inch diameter

Summer Foliage: Dark green in summer, light green in late summer, 3 to 5 inches long

Autumn Foliage: Yellow to purple

Winter Color: Dark bark with orange brown under bark exposed as the scales fall off

Bark: Brown, older bark develops scales, as the scales fall off an orange brown bark is exposed

Habitat: Species introduced in 1852 from Europe and Asia

Culture: Well-drained loam, pH 6.0 to 7.5, does well in hot summers and cold winters, scorch resistant, tolerates urban conditions, full sun

Hardiness Zone: 3 to 9

Heat Zone: 9 to 1

Growth Rate: Medium, 40 feet after 30 years

Pest Problems: Excellent resistance, except for Japanese Beetle

Planting: Difficult to transplant, needs watering in summer after transplanting, needs extra care for two years to get established

Pruning: Prune at planting and 3 years later to mature form

Propagating: Seed is best, but grafting and softwood cuttings are sometimes successful

Design Uses: Excellent shade tree for homes, parks and open space, excellent in cities where maple scorch is a problem

Companions: Use with Galium, Euonymus, or Juniperus ground cover

Other Comments: Has not done well in the plains; excellent specimen tree; needs little maintenance after it becomes established; not well known or grown in the nursery industry

These are the personal observations of the author, living in New England -- Zone 5. Leonard Phillips can be reached via e-mail at

Source Citation   (MLA 8th Edition)
Phillips, Leonard. "Turkish Hazelnut. (Tree of the Month)." Arbor Age, July 2002, p. 38. Agriculture Collection, Accessed 22 Apr. 2019.

Gale Document Number: GALE|A89379137