How to Prune ninebark 'Andre'?
Cut flowered growth back to strong young shoots below, removing up to a fifth of old stems near the base each year. Prune immediately after flowering.

ninebark 'Andre' · Physocarpus opulifolius 'Andre'
Grows best in acidic, moderately fertile, humus-rich soil. Will tolerate alkaline conditions, but chlorosis may occur on shallow chalk
Cut flowered growth back to strong young shoots below, removing up to a fifth of old stems near the base each year. Prune immediately after flowering.