FMC Corporation

QuickSilver Moss Killer Herbicide

Usually Ships in 1-2 days
Target and kill invasive weeds in as little as 24 hours with QuickSilver Herbicide. QuickSilver eliminates more than 50 broadleaf weeds on residential and commercial landscapes in both warm and cool climates. It mixes with any post-emergent herbicide or fungicide to provide even more protection against weeds and turf diseases. Though QuickSilver works hard against weeds, it's gentle on grasses and newly seeded lawns.

  • Not For Sale
    Active Ingredient(s)

    Carfentrazone-ethyl 21.3%

    Used For

    Black medic, Carpetweed, Field violet, Nightshade, Pigweed, Ivyleaf speedwell, Little mallow, Wild lettuce


    FMC Corporation

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    How QuickSilver Herbicide Works

    QuickSilver Herbicide contains carfentrazone-ethyl, an effective ingredient that interrupts the weeds' chlorophyll synthesis. It disrupts weed cell membranes and completely eradicates the plants within 14 days after application. Susceptible weeds will start to show symptoms in 24 hours or less. QuickSilver Herbicide does not harm birds, earthworms or honeybees, making it an environmentally friendly method for eliminating weeds. Because QuickSilver Herbicide is a contact herbicide, it does not offer residual control. However, you can use it as a tank mix with a residual herbicide for long-term protection.


    Where to Use QuickSilver Herbicide

    Apply QuickSilver Herbicide in places where weeds threaten turfgrass and ornamental plants. Some target application areas include:

    • Public and private commercial turf
    • Residential landscapes
    • Schoolyards
    • Golf courses

    QuickSilver Herbicide works best on summer and winter annual seedlings and provides broad-spectrum control when it's mixed with another post-emergent herbicide. It keeps museum and hospital landscapes pristine and healthy and eliminates excessive weed growth in recreational areas and athletic fields.


    QuickSilver Herbicide Target Pests

    With the active ingredient carfentrazone-ethyl, QuickSilver Herbicide works quickly to kill more than 50 broadleaf weeds.

    QuickSilver also targets and kills London rocket, annual sowthistle and common dayflower. You can also use it for the burndown and control of silvery thread moss on lawns and golf course greens.


    QuickSilver Herbicide Kills Weeds Fast

    For the control of common weeds, use QuickSilver herbicide. Its active ingredient works hard to kill bothersome weeds within 24 hours of application. QuickSilver combines well with other herbicides and fungicides and targets invasive weeds without harming birds, honeybees and soil organisms. It also works in cool and warm climates, providing quick knockdown in every season.


    It is a violation of Federal law to use this product in a manner inconsistent with its labeling. Do not apply this product in a way that will contact workers or other persons, either directly or through drift. Only protected handlers may be in the area during application. For any requirements specific to your State or Tribe, consult the agency responsible for pesticide regulations.



    For additional information on this product please reference the CDMS label database listed below


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