The plant is approximately 30 years old. I do not think it has ever been cut back. It is about 5.5 feet tall with leaves at the top and another group of leaves half way up the plant. It blooms well. Is it too old to be cut back to the ground this fall?
The plant is approximately 30 years old. I do not think it has ever been cut back. It is about 5.5 feet tall with leaves at the top and another group of leaves half way up the plant. It blooms well. Is it too old to be cut back to the ground this fall?