With golden-green foliage bringing a splash of bold colour to the border all summer long, this RHS award-winning beauty adds an extra dimension in late summer when cobalt-blue flowers contrast with this colourful backdrop. Caryopteris x clandonensis 'Hint of Gold' attracts wildlife to the garden with its nectar-rich blooms. Commonly known as Bluebeard, this is a lovely addition to the cottage garden border. Height and spread: 90cm (36).