How to Remove Grass Stains From Concrete


While we generally think of grass stains on the knees of kids' clothes or the sides of our shoes, concrete is susceptible to grass stains as well. Grass on shoes, car or bike tires and even the paws of dogs and cats can stain concrete. Removing the grass stains from concrete will make for a more attractive surface.

Things You'll Need

  • Broom
  • Laundry detergent
  • Bucket
  • Stiff scrub brush
  • Glycerin
  • Borax powder

Light Stains

  • Sweep any loose grass, dirt or debris from the concrete surface.

  • Mix 1/4 cup of laundry detergent into a bucket filled with a gallon of water.

  • Pour some of the soapy water directly onto the grass-stained area of the concrete.

  • Scrub the stained area with a stiff scrub brush. Apply force while scrubbing. If the grass-stained area covers a large surface, you may need to use a broom with stiff bristles.

  • Continue scrubbing, adding laundry detergent directly to the stain if needed, until the grass stain is removed from the concrete.

  • Rinse the area clean with plain water and allow it to dry.

Heavy Grass Stains

  • Sweep any loose dirt, grass or debris from the stained area.

  • Apply a generous amount of glycerin onto a clean cloth. Cover the entire grass stained area with glycerin as well. Rub the glycerin into the grass stain using the cloth.

  • Put one gallon of water into a bucket and mix in 1/4 cup of laundry detergent and 1/4 cup of borax powder. Pour some of this mixture onto the grass stained concrete.

  • Use a stiff scrub brush to forcefully scrub the stained area. If the stain covers a large surface area, use a broom with stiff bristles.

  • Scrub the stain until it is removed, rinsing out your scrub brush when it becomes dirty. Depending on the toughness of the stain, you may need to empty and refill the bucket with the cleaning mixture.

  • Rinse the area with clean water and allow it to dry.

Tips & Warnings

  • Use caution around small children and pets when using borax powder. It can cause skin and eye irritation and can be fatal if swallowed.

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