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Lilac (Japanese Tree)


Height and Spread Japanese Tree Lilacs can grow between 6 and 7.6 metres in height and have a width of up to 7.6 metres at the crown.

Hardiness Zone 3

Preferred growing conditions Grows best in moist, well-drained soil with full sun. Can tolerate moderate drought.

Form A small tree or large oval-shaped shrub with stiff, spreading branches.

Flower/seeds Creamy white fragrant flowers. Buds first open closest to the trunk then move upwards to the top of the branch.

Leaf Simple, smooth, dark green oval leaves that are 5 to 7 centimetres long.

Bark/wood Bark is smooth, shiny and may be dark grey-brown or purplish. Old trees have bark that are grey and scaly.

Fruit Smooth, leathery brown capsules that are grouped in clusters up to 12 centimetres long.

Pruning Prune to keep shape and remove damaged limbs. Sterilize pruning saws and shears with methanol (gasline anti-freeze) between cuts and between trees.

Problems (Disease/Insects)

Powdery mildew, leafspots, lilac borer, scales