Garden Pinks are evergreen and will last for many years in the garden. Plants are tough, resilient and weatherproof, and love a position in sun, and can cope with neglect. Dianthus are particuarly useful in difficult areas such as slopes or dry gardens.Pinks produce an endless supply of fragrant blooms over a long summer period; make sure you enjoy them indoors as cut flowers too. Dianthus 'Diane' is known for its rosy-pink, double flowers, with a rich clove scent. Height and Spread: 50cm (20).