How to Prune flowering raspberry?
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.

flowering raspberry · Rubus odoratus
Also known as: purple-flowered bramble; purple-flowering raspberry; sweet-scented bramble; thimbleberry
A vigorous, spineless, thicket forming, deciduous shrub producing tasteless red berries in autumn. Will grow in full sun or partial shade
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.