How to prune yakushima rhododendron

Immediately after flowering (late spring to early summer). Snap or cut spent flower trusses just above the ring of new growth buds below the truss. This encourages vigorous new growth and better flowering the following year. Only remove dead or diseased wood with clean secateurs.

Deadhead annually; structural pruning rarely if ever needed. Rhododendron yakushimanum is a compact, slow-growing dwarf rhododendron with a naturally neat, dome-shaped habit. It rarely needs pruning beyond deadheading spent flower trusses after blooming. Avoid cutting into the framework — unnecessary pruning disrupts its naturally tidy form and removes next year's flower buds.

Snap or cut spent flower trusses just above the ring of new growth buds below the truss. This encourages vigorous new growth and better flowering the following year. Only remove dead or diseased wood with clean secateurs.