How to Prune tummelberry?
Cut out old canes following fruiting and tie in new canes. See pruning blackberries and hybrid berries

tummelberry · Rubus 'Tummelberry'
Grow in moderately fertile, well-drained soil in full sun. Mulch with well-rotted compost or manure
Cut out old canes following fruiting and tie in new canes. See pruning blackberries and hybrid berries