Most elephantâs ears are perennials and will come back every summer in the Lower, Coastal, and Tropical South. Some are perennials in the lower part of the Middle South.
Dahlias are available in different heights, dwarf dahlias are normally 12 to 18, and the taller dahlias grow 5' to 6'.Dahlias up to 2 ft.ahlias are available in different heights, dwarf dahlias are normally 12 to 18, and the taller dahlias grow 5' to 6'. Dahlias up to 2 ft.
Dahlias are grown from tubers (similar to a bulb, but thin skinned like a potato) that you plant in the spring time about the same time as you would your vegetable gardens or when the ground is warm enough to work up.Plant them in a full sun location and enjoy blooms all summer long.ahlias are grown from tubers (similar to a bulb, but thin skinned like a potato) that you plant in the spring time about the same time as you would your vegetable gardens or when the ground is warm enough to work up.