Specially formulated for professionals from Lebanon Turf, Woodace® Preen Plus is a premium weed control product for the prevention of broadleaf and grassy weeds in shrub beds, ornamental plantings, and other non-turf sites. Preen Plus can be used around over 400 ornamental plants and controls over 150 broadleaf and grassy weeds. Preen Plus offers superior weed control because it combines the power of two preemergent herbicides. Isoxaben (Gallery®) provides excellent control of broadleaf weeds and Trifluralin (Treflan®) controls grassy weeds. Together they combine to provide the most broad-spectrum reliable weed prevention available.