s-metolachlor is a selective pre-emergent herbicide that controls weeds in nurseries, turf, and landscape plantings. s-metolachlor controls yellow nutsedge, smooth and large crabgrass, and over 20 other ornamental and landscape weeds. It may be used on commercial and residential warm-season turf and other noncrop land, including golf courses, sports fields, recreational areas, ornamental gardens and others. s-metolachlor comes in an easy to use liquid formulation and can be tank mixed with other professional herbicides.