How to Clean Moss Off an Aggregate Driveway

Remove moss as soon as possible to prevent staining.
Remove moss as soon as possible to prevent staining. (Image: Jupiterimages/Photos.com/Getty Images)

Even though the moss itself won't damage the structural integrity of a concrete driveway, it leaves ugly staining and discolorations on the surface. In addition, moss traps an excessive amount of moisture between non-flowering plants and the driveway, which could lead to fungus growth. You can remove the moss from your aggregate driveway in the same manner as you would for other types of concrete. After safely removing the moss, take the necessary steps to prevent it from returning.

Things You'll Need

  • Broom
  • Water hose
  • 5-gallon bucket
  • Bleach
  • Spoon
  • Broom handle or extension handle
  • Scrub brush

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Brush moss off the aggregate driveway with the broom. Dampen the concrete with a water hose.

Fill a 5-gallon bucket with 2 gallons of water. Pour 2 cups of bleach in the bucket and stir with a spoon. Use oxygen bleach instead of chlorine bleach for a safer, effective cleaning solution.

Screw a broom handle or extension handle into the back of a scrub brush. Dip the scrub brush into the cleaning solution until the bristles are well-saturated.

Start at one end of the aggregate driveway and scrub the remaining moss and stains off the concrete. Submerge the scrub brush in the mixture when needed and continue cleaning the driveway while moving toward the other end.

Wait 10 minutes before hosing the cleaning solution off the aggregate driveway.

References

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