25-0-5 with Trimec Weed 'n Feed Broadleaf Weed Killer and Fertillizer25 0 5 w Trimec Weed and Feed Broadleaf Weed Killer Feed the grass and kill the weeds with this granular Weed n Feed Fertilizer. Trimec is a broadleaf herbicide and controls any broadleaf weeds on contact while not harming grass. It provides postemergent control of many broadleaf weeds in established turf and has demonstrated its effectiveness and reliability for many seasons. For best results, apply the morning after a rain or the morning of a heavy