How to prune begonia 'lucerna'

Early spring for hard pruning; growing season for tip-pinching. Cut old, bare canes back to 15–20 cm from the base with clean secateurs. Pinch out the top 2–3 cm of active stems above a node to stimulate branching and more flower clusters.

Hard prune annually; tip-pinch monthly through spring and summer. Begonia 'Lucerna' is a vigorous cane begonia that can reach 1.5 m or more indoors. Prune it regularly to control height, encourage branching, and maintain a full silhouette. Cut old or exhausted canes down to 15–20 cm in early spring. Pinch stem tips during the growing season to promote side shoots.

Cut old, bare canes back to 15–20 cm from the base with clean secateurs. Pinch out the top 2–3 cm of active stems above a node to stimulate branching and more flower clusters.