How to Prune Veronica 'Purpleicious Harmony'?
Deadhead to encourage further flowers. Remove faded flower stems in autumn

Veronica 'Purpleicious Harmony' · Veronica 'Purpleicious Harmony'
Thrives in well-drained soil in full sun, but will tolerate a range of soils and situations, except waterlogging
Deadhead to encourage further flowers. Remove faded flower stems in autumn