Extreme Crabgrass Killer

  • Kills Crabgrass, even Large, Hairy and Smooth Crabgrass
  • Rainproof in one hour
  • For use on Northern turfs (Fescue, Perennial Ryegrass and Kentucky Bluegrass1)

Even kills large, hairy and smooth Crabgrass, plus other listed weeds
But it won't harm the lawn when used as directed
Get control that won't wash away

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Extreme Crabgrass Killer-32 oz. Ready-To-Spray

  • Kills Crabgrass, even Large, Hairy and Smooth Crabgrass
  • Rainproof in one hour
  • For use on Northern turfs (Fescue, Perennial Ryegrass and Kentucky Bluegrass1)
  • Treats 5,000 sq. ft.

1Temporary discoloration may occur on Kentucky Bluegrass lawns, but they will recover.

  • Spring
  • Summer
  • Spray when listed grass weeds are small and actively growing and temperatures are below 90 degrees F.

    To control Bermudagrass, up to seven applications spaced one month apart may be required. Make the first application in the spring when the Bermudagrass begins to green up. Repeat the following growing season if necessary.

    Do not make more than three applications per year.

    Before treating new or renovated lawns, new grass seedlings must be at least 1 month old, 3 months for Kentucky bluegrass). Kentucky bluegrass sod must be at least 1 month old since installation.

    Treated fescue and perennial ryegrass lawns may be re-seeded immediately after application, however, wait 3 weeks after application to Kentucky bluegrass before reseeding.

    Do NOT use around these ornamental plants: barharbor juniper, philodendron, pittosporum, podocarpus, salvia.


    On lawns without harming lawn grass.

    Do not use on St. Augustinegrass including floratam, Bermudagrass, bentgrass, zoysiagrass, centipede or bahia lawns.

    Around listed established ornamental trees, shrubs, perennials and annuals.

    Do not use around barharbour juniper, philodendron, pittosporum, podacarpus or salvia.


    5,000Sq Ft
    • Barnyardgrass
    • Bermudagrass, controls
    • Crabgrass, Large, Hairy
    • Crabgrass, Small, Smooth
    • Foxtail
    • Goosegrass, Silver Crabgrass
    • Japanese Stiltgrass
    • Johnsongrass, seedling
    • Panicum
    • Sandbur
    STEP 1
    Attach to hose, turn on water.
    STEP 2
    Extend hose to farthest area to be treated, point sprayer nozzle in direction to be sprayed.
    STEP 3
    Walk backwards at a steady pace.

    The proper mixing ratio for Extreme Crabgrass Killer Concentrate is 3.2 ounces to 1 gallon of water.   One gallon will then cover 500 square feet of grass.

    No mixing is required for the Ready-to-Spray bottle.  The sprayer acts as a siphon to mix properly with the water from the attached garden hose.

    Visible results usually appear within 4 – 10 days as a yellowing or reddening of the listed grass weed leaves.

    Extreme Crabgrass Killer maybe used on Northern turfgrasses such as Perennial Ryegrass, Kentucky Bluegrass, and Fescue.   DO NOT USE on Southern turfgrasses such as St. Augustinegrass including Floratam, Bentgrass, Bermudagrass, Zoysiagrass, Centipede or Bahia Lawns

    Extreme Crabgrass Killer will control and kill grassy weeds such as crabgrass, Bermudagrass, Foxtail, and other listed grassy weeds.  It is not designed to control broadleaf weeds.

    For best results, be sure your lawn is actively growing.  This means you should have mowed the lawn twice before applying Extreme Crabgrass Killer.  Also, the temperature should be below 90° F for day on which you make the application.

    Extreme Crabgrass Killer should be mixed in your sprayer using 3.2 ounces per gallon of water.  See the label for proper use depending on your type of sprayer. One gallon of mixed solution will cover 500 square feet of grass.

    Shake the bottle well before use.  Attach your garden hose to the sprayer.  Begin at the farthest point of the lawn to be treated and walk backwards.  At typical residential water pressure, the bottle will be emptied in about 8-9 minutes.