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.