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Which natural stone slabs are less susceptible to moss/fading?

In a few months, my garden should have patio slabs and walkways laid. I really like the lighter color stone. In my experience, stones with open pores (like sandstone) get very overgrown with algae and moss over the years, especially in shady areas. Light-colored sandstone looks great in a new stone, but unless you constantly treat it with a high-pressure cleaner, the pleasure won't last.

Can anyone recommend types of stone that are almost immune to algae infestation (like granite or something similar)? Are there also suitable types of light colored stone?

P.S.: I know you can also seal stone. But that's too much work for me, especially because the sealer needs to be renewed regularly.

• natural stone
• moss