University of Illinois Extension
University of Illinois Extension - Selecting Shrubs for Your Home
Common Lilac
Syringa vulgaris
Hardiness Zone: 3 - 7 
Mature Height: 8-15 Feet
Mature Width: 6-12 Feet
Features: Large,upright clusters of flowers in late spring; wide range of flower colors (purple, white, pink, lavender, bluish); flowers are very fragrant.
Culture: Full sun; moist, well-drained soils are best; tolerates alkaline soils.
Cultivars: Incredible number of cultivars available. Check local nurseries for cultivars available in your area. Cultivars that show resistance to powdery mildew are the best choice for lower maintenance.
Mature Form: Oval to rounded, often irregular and leggy
Native To: Europe
Soil Conditions:
Soil condition: Moist, Well-DrainedMoist, Well-Drained
Tolerance: Alkaline SoilAlkaline Soil
Dry Sites
Soil Compaction
Wet Sites
Tolerance: WindWind
Use for: Border.Border
Use for: Hedge.Hedge
Use for: Screen.Screen
Use for: Specimen.Specimen
Foliage Color: Green
Fall Foliage Color: Green
Additional Notes: Powdery mildew is a very common problem on this species. When selecting a cultivar, look for those that are resistant to this disease.

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