Joe from Peru, Il writes
Grass Out Max is a selective post-emergent herbicide used to control annual and perennial grasses. It is labeled for most landscape, home and garden, ornamental, agricultural and non-crop uses. The unique feature of Grass Out Max is that it will ONLY kill grasses and NOT affect flowers, shrubs, broadleaf crops or other broadleaf plants. Yes, it is safe to use in hostas and day lily plants.
Answer last updated on: 07/09/2020