Image of the City of Regina

Lilac, Common


Height and Spread Common Lilacs can grow up to 3.25 metres in height and may have a crown width of 2 to 3.25 metres.

Hardiness Zone 2

Preferred growing conditions Grows best in full sun, regardless of soil texture. Does not withstand ponding.

Form Common Lilacs branches spread upward and outward to form an irregularly rounded crown.

Flower/seeds Showy, fragrant flowers that may be dark purple to white in colour appear in May. Flowers cluster together at the end of branches. These turn into groups of tannish-brown seeds.

Leaf Common lilac leaves are dark green, smooth and about 5 to 12 cm in length and about 2 to 5 cm in width.

Bark/wood When new, bark is greenish-brown but turns to greyish-brown as it matures.

Berries Not applicable

Pruning Prune to keep shape. Note: If you prune branches this year, no flowers will appear next year as flowers are linked to new growth.

Problems (Disease/Insects)

Powdery mildew, ash yellows, lilac borer