Persian lilac

Syringa × persica

Compact hybrid lilac with smaller leaves and lighter open flower panicles than common lilac. The right lilac for small gardens and for milder climates where common lilac flowers poorly.

Hardiness ratings

Persian lilac hardiness across the four zone systems
SystemRatingTemperature rangeHow to read it
USDA hardiness zone Zone 5–8 −28.9 °C to −6.7 °C Plant tolerates down to this zone
RHS hardiness rating H6 −20 °C to −15 °C Plant needs at least this level of cold tolerance
Canadian plant hardiness zone Zone 5–8 −23 °C to −1 °C Plant tolerates down to this zone
Australian (ANBG) zone Zone 2–5 −10 °C to 10 °C Plant tolerates down to this zone

Growing notes

  • Plant in small gardens — eventually 2 m × 2 m, far more compact than common lilac
  • Strongly fragrant, though less intensely than common lilac
  • Better in milder climates than common lilac — does not require as much winter chilling to flower
  • Sterile hybrid — does not seed, more compact and tidier in habit

Categories

Related plants

Cross-check Persian lilac against your zones

Reference

Persian lilac on Wikipedia