Abba Dabba Do will form a medium to large mound of 24"-30" tall & could make 50" wide at maturity. The sturdy large pointed leaves start out green and quickly develop a narrow yellow edge offering a wonderful contrast to the green. The flowers are pale lavender proudly offered on scapes of up to 36" in height. It will tolerate, and use a lot of sun to it's growth advantage. This is a sport of 'Sun Power' and has the vigour & growth habit of 'Sun Power'. It is also fairly slug resistant. A useful variety for any garden.