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.
Dahlia pinnata is the national flower of Mexico. Dahlias originated from the mountainous regions of Mexico and Central America and Colombia. Dahlia pinnata is a genus of bushy, summer and autumn flowering plant. Dahlia pinnata flowers are species having tuberous roots and showy rayed variously colored flower heads.