How to Prune Victoria Christmas bush?
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.

Victoria Christmas bush · Prostanthera lasianthos
Also known as: Victoria dogwood; Victorian dogwood; Victorian mint tree; Australian lilac; Australian mint tree
Under glass, grow in loam-based compost (JI No. 2) in full light. When in growth water moderately and apply a balanced liquid fertiliser monthly; water sparingly in winter. Outdoors, grow in moderately fertile, moist but well-drained soil in full sun at the base of a warm wall
Usually little pruning is needed. Lightly shape if necessary, removing dead, damaged or diseased shoots. Prune after flowering.