Cheryl from Mansfield, Texas writes
Fertilome Over the Top II Grass Killer can be applied to ornamental areas that contain grassy weeds without harming the ornamentals. Peonies are not specifically listed on the product label so we recommend you check with the manufacturer to be completely sure it won't harm them. They can be reached at 855-270-4776.
Answer last updated on: 07/19/2014