How SpeedZone EW Broadleaf Weed Killer Herbicide Works SpeedZone EW Broadleaf Herbicide contains carfentrazone-ethyl, mecoprop-p and 2,4-D as the active ingredients. Separately, these chemical compounds do a good job of treating weed-infested lawns. Together, they work twice as fast and target more than 100 broadleaf weed species. SpeedZone EW goes to work within hours after it's applied and completely knocks down the weeds in less than two weeks. Where to Use SpeedZone EW Broadleaf Weed Killer Herbicide Use SpeedZone EW lawn weed killer concentrate herbicide on residential and commercial turf. It not only works well on established lawns but also on noncrop lands such as rights of way, roadsides and medians. It's labeled for use on both cool- and warm-season grasses and works great to keep weeds off: Colonial bentgrass Kentucky bluegrass Perennial ryegrass Tall fescue Target Lawn Weeds SpeedZone EW lawn weed killer concentrate herbicide treats more than 100 weed species ranging from chickweed to poison oak. Use it to kill stubborn broadleaf weeds such as spurge, wild garlic and clover. Refer to the label for a more complete list. Kill Turf Weeds With SpeedZone EW Lawn Weed Killer Concentrate Herbicide When SpeedZone EW lawn weed killer concentrate herbicide contacts the weeds, the active ingredients penetrate the plants. Visible results such as cupping and discoloration occur within hours as the ingredients continue to kill the plants for more than a week. It's applied as a foliar spray, safe for use on residential lawns and targets the most troublesome broadleaf weeds on Kentucky bluegrass and other turf.
