The act of pruning rhododendrons, specifically targeting overgrown or misshapen specimens, involves the selective removal of branches to rejuvenate the plant and encourage new growth. This process might entail heading back long, leggy stems or thinning out dense areas to improve air circulation and light penetration. An example would be removing a significant portion of an older rhododendron that has become too large for its space, in order to stimulate new shoots from dormant buds.
Proper pruning promotes plant health and extends the lifespan of the rhododendron. Regular maintenance prevents the shrub from becoming unwieldy and reduces the risk of disease by enhancing airflow within the plant. Historically, gardeners have employed pruning techniques to shape and control the size of rhododendrons, ensuring they remain aesthetically pleasing and fit within the designed landscape.