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.
Planting dahlia tubers can be done first thing in the spring. Remember that when doing some dahlia planting, you should plant your larger dahlias about 3 feet apart. Smaller ones, of course, require less space and can be planted closer. You will want to keep the area as weed free as possible.