How to Prune salmonberry 'Olympic Double'?
For colourful stems or large foliage, prune hard to a low framework. Let young plants establish for one to two years first. Prune in late winter or spring, before or as new growth starts.

salmonberry 'Olympic Double' · Rubus spectabilis 'Olympic Double'
This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act as an invasive non-native species. Although not banned from sale, it is an offence to plant or cause these to grow in the wild in NORTHERN IRELAND and the REPUBLIC OF IRELAND. Gardeners possessing them should undertake measures to control them. See RHS advice on invasive non-native species for further information\r\n\r\nGrow in well-drained moderately fertile soil in full sun. This species is listed on Schedule 9 of The Wildlife (Northern Ireland) Order (1985) as amended, and on Schedule 3 of the EU (Birds and Natural Habitats) Regulations 2011 in the Republic of Ireland as an invasive non-native species. While this does not prevent it from being sold or being grown in gardens in Ireland, the RHS encourages those that do grow it to take great care with managing it and with disposing of unwanted material. The RHS also encourages gardeners to find alternative plants to grow to those listed
For colourful stems or large foliage, prune hard to a low framework. Let young plants establish for one to two years first. Prune in late winter or spring, before or as new growth starts.