Kill moss, not your lawn, with Scotts MossEx. After you apply MossEx, it will attack your undesirable moss, turn it black and disappear, leaving you to enjoy your lawn, moss free. Scotts MossEx also provides nutrients to green your lawn and develop thick grass. Easily apply this moss control product with a Scotts broadcast, rotary, drop, or Wizz spreader during winter or spring when moss is actively growing.