This is a popular mix for biofiltration swales and ditches that manage runoff from parking lots, roadways and roof tops. It can be mowed or not. If left unmowed, it will reach a maximum height of approximately 18 inches. This mix is specified by Clean Water Services of Oregon.
Turf-type Tall Fescue
Dwarf Perennial Ryegrass
Creeping Red Fescue
Application Rate: 5-7 lbs per 1000 square feet