A-Z Index

Japanese Tree Lilac

Syringa reticulata

Trail Number:

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Leaves: Broad-ovate to ovate, 2 to 5 1/2" long, about half as wide, acuminate, rounded or subcordate, glabrous or slightly pubescent; petiole 1/2 to 1" long

Native Locale:
Northern Japan

Mature Height:
20 to 30 feet

Mature Width:
15 to 25 feet

Hardiness Zones:  
Zone 3 to 7

Soil Preference:
Prefers loose, well-drained and slightly acid although lilacs are pH adaptable

Growth Habit:
Large shrub or small tree with stiff, spreading branches developing a somewhat oval to rounded crown; with time branches and leaves become somewhat arching

Rate of Growth:
Medium, 9 to 12' over a 6 to 8 year period

Disease and Insect:
Bacterial blight, Phytophthora blight, leaf blights, leaf spots, powdery mildew, wilt

Landscape Value:

Additional Notes:

  • Flowers: Perfect, creamy white, fragrant, 6 to 12" long and 6 to 10" wide panicles. Fruit: Warty, glabrous, scimitar-shaped, dehiscent, 3/4" long capsule, blunt at apex.


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