Calluna vulgaris 'Elsie Purnell'
One of the showiest of all Scotch heathers. The fully double pale cotton candy pink flowers are formed on long spikes, from darker buds. The plant has silvery green foliage and forms a low, flat mat up to 12 inches tall and 2 ft wide. Flowering starts in August and continues through September. The foliage turns bronze-green in winter. Hardy to zone 5.