How to Prune Australian violet?
Deadhead to prolong flowering. After flowering cut back vigorous plants to keep compact

Australian violet · Viola hederacea
Also known as: ivy-leaved violet; spurless violet; trailing violet
Best grown in a cool greenhouse, or alpine house. Otherwise grow in fertile, humus-rich, reliably moist but not waterlogged soil in full sun or partial shade
Deadhead to prolong flowering. After flowering cut back vigorous plants to keep compact