How long does a typical lilac take to bloom?
Old-fashioned lilacs (Syring vulgaris) may indeed take up to five years to bloom. However, the smaller types, such as Bloomerang or Meyer lilac usually will bloom within a couple of years. Of course, it also depends on how mature the plant is that you start with. A liner or whip (unbranched twig) will take an extra year or two to reach blooming size versus a well-branched container-grown shrub.