Why is my lilac tree so temperamental? Last year, it would not bloom. This year there were 44 blossoms on it. That beats the record of two years ago when it presented 13 blooms. The lilac tree is ...

you’ll cut off the forming buds and the plant will not bloom. Key takeaway: Spring-flowering shrubs and trees like forsythia, lilac, quince, bigleaf hydrangea, rhododendron and azalea ...