Yes it is an Ornamental Grass.
Drench method: Mix 1 qt/100 gallons water. 10,000 Sq Ft of Grasses in total.
Works out to 3.2 oz/1000.
Added 2 lbs Potassium Nitrate to the above mix.
Will post in 2 weeks on the sustainability of the greening effect that should continue from the sumagreen.