Winter 2022

The science of preserving nature since 1964

Trees to Consider: Japanese Tree Lilac ‘Ivory Silk’

Japanese Tree Lilac ‘Ivory Silk is a small tree or large shrub which typically grows 20-25' tall with a rounded crown and has creamy white, fragrant, single flowers arranged in dense, terminal clusters. The flowers give way to loose clusters of brown capsules that persist into winter.  The tree has an attractive reddish-brown peeling bark on younger branches which gradually turn gray with age.

Latin Name: Syringa reticulata

Common Name: Japanese Tree Lilac

Tree Type: Ornamental, Specimen

Sun and Water Requirements: Easily grown in well-drained soil in full sun, it tolerates light shade but best bloom occurs in full sun. Prefers rich slightly acidic soil and good air circulation.

Expected growth: Height: 20ft to 30ft; Spread 15ft to 20ft

Foliage: Creamy white panicles cover the canopy in late June.

Winter Interest: Excellent winter interest due to its unusual form, nice persistent fruits, showy winter trunk, and brown winter flowers.

Landscape Value: Attracts hummingbirds and butterflies and provides late season Spring flowers on densely branched canopy with medium green leaves. The full and impressive showing of flowers of this tree continue long after most of the Spring ornamentals have finished blooming.

Japanese Tree Lilac ‘Ivory Silk’ is effective as a specimen tree in the landscape. It can also be used as a screen along property lines or along streets, in lawns, near decks/patios or in foundations.

The tree has no serious insect or disease problems and has good resistance to some of the major pests of lilacs, such as powdery mildew, scale and borers.



Lower Westchester County, NY and New York City

58 Beechwood Ave, New Rochelle, NY 10801



Upper Westchester (North of I-287)

15 Broadway, Hawthorne, NY 10532



Fairfield County, Connecticut

547 Hope Street, Stamford CT 06907



Bergen & Passaic Counties, NJ

504 High Mountain Road, North Haledon, NJ 07508



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