Reblooming Lilac
Syringa × tribrida
Oleaceae · broadleaf deciduous shrub · introduced
Last updated
Syringa tribrida is a hybrid lilac of complex parentage, reaching 8-12 feet tall. The plant produces fragrant flowers in shades of pink, purple, or white arranged in terminal panicles appearing in late spring.
This hybrid is hardy to zones 4-8 and thrives in full sun with well-drained soil. It combines traits from multiple lilac species and is less susceptible to mildew than some other lilacs. Several cultivars are available with selections for flower color and bloom time.
Plant Profile
Size & Form
Height
4-6 ft
Spread
4-6 ft
Growth Rate
Moderate
Site Requirements
Light
Sun to Part Shade
Soil Drainage
Well Drained
Water
Moderate
Hardiness
Zones 3a–8b
Ornamental Interest
Bloom Time
spring, summer, fall
Origin
Garden hybrid (complex cross involving S. × prestoniae
Cultivars (1)
'Josee'
Data Maturity Structured Multiple sources. Expert review underway.