How to prune achimenes grandiflora

Cut back dead top-growth in autumn after dormancy sets in; pinch growing tips in spring. In spring, pinch growing tips once or twice to encourage branching and more blooms. In autumn, once foliage yellows and dies back naturally, cut old stems to the soil and store the rhizomes dry over winter.

Once per year (autumn clear-down); tip-pinch once or twice in spring. Achimenes grandiflora is a seasonal grower that dies back to dormant rhizomes each autumn — no pruning is needed in the traditional sense. Simply allow stems and foliage to die back naturally after flowering, then cut away the dead top-growth before or during winter storage. Pinch tips early in the season to promote bushy growth.

In spring, pinch growing tips once or twice to encourage branching and more blooms. In autumn, once foliage yellows and dies back naturally, cut old stems to the soil and store the rhizomes dry over winter.