They can resemble peonies, water lilies, cactus flowers or orchids. With more than 50,000 variations in size, form and color and with blooms from June until frost, dahlias are a late-season gardener's best friend.
Place dahlias in full sun. Plant tubers after the last frost-free date for your area, or start them in pots inside four to six weeks earlier. Dahlias like well-drained, rich, moist soil. Water and fertilize regularly.