Lilac Olivier De Serres (Syringa vulgaris 'Olivier De Serres') has attractive fragrant large double mauve-blue flowers with darker buds. This long-lived deciduous shrub has green heart-shaped leaves and some autumn colour. From France 1909.
• Uses: ornamental shrub
• Size: 3 metres high x 2.5 metres wide depending on conditions
• Flowering: spring
• Features: fragrant double mauve-blue flowers in large clusters, some autumn foliage