Dahlias are perennial flowering plants. Tubers grow 3 to 4 inches in the soil and spread wider each year. The blooms come in a variety of colors, such as pink, orange, white or purple.
About the Author
Living in Southern California, Shayne Ochoa has been writing professionally since 2005. Her articles have included topics on education, child development and gardening. She also holds a Bachelor of Arts degree in liberal studies from California Baptist University in Riverside.