Blackberry Triple Crown Fruit Bush - 3Ltr PotRubus fruticosus 'Triple Crown' Blackberry Fruit Bush 3Ltr Pot Blackberry 'Triple Crown' is a semi erect, virtually thornless blackberry bush celebrated for its outstanding flavour, exceptional productivity, and vigorous growth. Producing a heavy crop of large, glossy black fruits, this late season variety is ideal for extending your homegrown fruit harvest into early autumn. Key Features Virtually thornless canes make harvesting and maintenance easy