Water regularly, especially during dry spells, ensuring the soil remains consistently moist but not waterlogged. Reduce watering in winter when the plant is dormant.

Deep watering is preferable to frequent shallow sprinkles to encourage strong root development.

Prune after flowering to shape the shrub and remove any dead, damaged, or crossing branches. Light pruning can be done to encourage bushier growth.

Avoid heavy pruning in late summer or fall, as this can remove next year's flower buds.

Persian Lilacs are typically propagated by softwood cuttings taken in early summer, or by layering. Semi-hardwood cuttings taken in mid-summer can also be successful.

Ensure cuttings are treated with rooting hormone and kept in a humid environment.

Repot young plants every 2-3 years, or when they become root-bound. Mature shrubs are best left in their established locations. Repotting is typically done in early spring before new growth begins.

Use a well-draining potting mix.