This striking cactus dahlia boasts vibrant purple, spiky flowerheads from July to September, which measure up to 12cm in diameter.Dahlia ‘Purple Gem’ is ideal for adding colour and texture to the back of sunny borders and look particularly effective planted with pink and maroon varieties. Also makes a wonderful cut flower!Height: 90cm (36in). Spread:60cm (24in).
Growing Information
Plant Dahlia tubers outdoors in April after all risk of frost has passed. Choose a sunny position in moist well drained soil. Prepare the soil by digging in plenty of well rotted manure or compost. Plant tubers at a depth of 15cm (6″) and water well. Alternatively, start tubers into growth in pots of compost in a frost free greenhouse. Transplant them into their final positions outdoors in June.
