How to Prune Phylliopsis × hillieri 'Askival'?
No pruning necessary. Can clip over after flowering to keep neat

Phylliopsis × hillieri 'Askival' · Phylliopsis × hillieri 'Askival'
Grow in moderately fertile, humus-rich, acid, moist but well-drained soil in sun or partial shade
No pruning necessary. Can clip over after flowering to keep neat