How to prune physocarpus opulifolius 'center glow'

Immediately after flowering in early to midsummer. Use renewal pruning: cut one-third of the oldest, thickest stems down to ground level each year. Shorten remaining stems by up to one-third to maintain a compact, well-branched habit and maximise the colourful new foliage.

Annually. Physocarpus 'Center Glow' (ninebark) needs regular pruning to keep the vivid gold-and-red foliage dense and prevent the centre becoming woody and bare. Prune immediately after flowering. Remove one-third of the oldest stems at the base each year (renewal pruning) and trim back any wayward shoots to shape.

Use renewal pruning: cut one-third of the oldest, thickest stems down to ground level each year. Shorten remaining stems by up to one-third to maintain a compact, well-branched habit and maximise the colourful new foliage.