Moss Between Driveway Pavers #578985 - Ask Extension

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Moss Between Driveway Pavers #578985

Asked July 11, 2019, 9:30 AM EDT

What is the best way to get rid of & stop the return of Moss between Pavers on my driveway---No Moss for 12 years but now a little is beginning to develop. I really like having pavers but not with Moss between them. My driveway is 50% in the shade most of the day but has good drainage/slope. With Every Good Wish :) Tom

Hennepin County Minnesota

Expert Response

Hello. I'm glad you've turned to AaEx.

Well the conditions for moss this spring and summer have certainly been great - wet and cool.  And the shade has helped.  Usually we deal with moss in lawns and the solution to that is to cultivate the lawn so that the grass will crowd it out but in your case, that's not the solution.  Some people seem to like a little variation in their pavers and moss is great because it stays low unlike taller weeds and even grass. 

This is a bit of a home remedy but you could spray the moss with a mixture of vinegar and dish detergent.  It will turn the moss brown so you'll need to sweep it off the pavers after that to clean it up.  The solution can be made up of a gallon of vinegar mixed with a quarter cup of dish detergent (this is a binding agent).  I'd be careful that it does not get on any other plant.  All it does is burn the leaves of plants after a day or so. It does nothing to plant roots so by sweeping the dried, brown moss off, you may be able to remove the spores and roots that could grow back when the conditions are right (wet, cool, shade).  I'd also be careful not to hit any beneficial pollinators that happen into the area while you're spraying because this is an acid that can burn most organisms.

I hope this information helps.
Ellen Campbell Replied July 11, 2019, 11:35 AM EDT

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