College of Agriculture, Health and Natural Resources

Plant Database

Syringa x chinensis

Chinese Lilac, Rouen Lilac

Oleaceae

Chinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen LilacChinese Lilac, Rouen Lilac
Expand

Habitat

  • a hybrid between S. x persica and S. vulgaris
  • hardy to zone 3

Habit and Form

  • an deciduous shrub
  • broad rounded shape
  • 8' to 12' tall with an equal spread
  • arching branches
  • medium growth rate
  • fine texture

Summer Foliage

  • opposite arranged leaves
  • simple, lanceolate leaves
  • leaves up to 3" long
  • entire leaf margin with rounded leaf base
  • dark green leaf color
  • glabrous

Autumn Foliage

  • poor fall color

Flowers

  • purple flowers
  • fragrant
  • profuse flowers
  • blooms in mid-May
  • flowers are borne in large terminal panicles
  • panicles are 6" long
  • showy

Fruit

  • not ornamentally important

Bark

  • slender stems
  • tannish brown color

Culture

  • full sun
  • transplants easily
  • prefers well-drained, slightly acidic soil
  • prune after flowering
  • cut off old flower heads

Landscape Use

  • specimen
  • hedge
  • screen
  • for fragrance
  • small groupings
  • for flowering effect
  • for high quality foliage and form

Liabilities

  • aphids, powdery mildew, scales
  • caterpillars

ID Features

  • purple, fragrant flowers
  • flowers found in terminal panicles
  • opposite leaf arrangement
  • elongated leaves
  • brown small buds, few scales
  • lenticels
  • slender stems

Propagation

  • by cuttings

Cultivars/Varieties

'Alba' - This selection bears pinkish-white blooms.

'Saugeana' - Notable for its red-lilac flowers, this selection is preferable to the species for its floral show.

© Copyright Mark H. Brand, 1997-2015.

The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Public use via the Internet for non-profit and educational purposes is permitted. Use of the materials for profit is prohibited.

Citation and Acknowledgements: University of Connecticut Plant Database, https://plantdatabase.uconn.edu/, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.