USDA growing zones 3 to 7 are ideal for them to flourish and bloom, and you can expect their flowers from late April to early June. Lilac petals range from white to different shades of purple ...

Most lilacs are hardy in U.S. Department of Agriculture plant hardiness zones 3 through 7. Lilac size can range from a small well-pruned shrub to a 10-foot or taller small tree. Once planted ...