I've got a brick walkway that has parts that are in shade most of the day. Our winters are wet and cloudy and during these times it's not uncommon for the shady parts of the walkway to grow a fair amount of moss on the bricks and grout (see the photos below).
Come summertime, the moss dries out and dies and can be hosed off quite easily. However, I have family coming in for the Holidays and would like to remove the moss pre-emptively, as it's both unsightly and slippery.
Any advice/suggestions on how best to remove the moss? My first thought was to just get down on my knees and scrub it off, but my concern was that it would grow back in short order. Would using bleach or a bleach-like product have a more lasting effect, or would using such a harsh product outside where there is grass and plants nearby be an unwise move?
Finally, is there any preventative steps I can take to reduce the quantity of moss that grows during our wet season?