A longer process but a better result to keep plants flowering.’ Azaleas, lilacs, and forsythia often need renewal pruning over several years when they become overgrown and gangly. Some of the main ...
It requires pruning each spring after the blooms fade ... and it's known to thrive among azaleas and rhododendrons. Another landscape shrub to consider for attracting hummingbirds is 'Flaming Silver' ...