Choose this beautiful deep pink-flowered perennial plant for your garden and the local nectar loving bees and butterflies will be queuing up to thank you. These clump forming plants have flowers with a large domed cushion in the centre to anchor the deeply coloured petals, the flowers can reach up to 12cm (5) wide, they are also renowned for their long flowering time. Height: 90cm (36). Spread 50cm (20).