We have loads of moss in our garden and grass (Oregon). I often wondered the same question. Usually when I'm removing it from my flower beds. I have yet to see any positive benefit to this kind of moss in flower beds.
"Just stunning Clare, so much colour to admire and like Lorraine said - that copper coloured Coleus is amazing (almost matches my hair!!) We actually had frosts this year so my coleus took a beating, but will chop them back and they will rise again."
"The most important thing for succulents, especially in a super humid and potentially rainy climate like Houston is to build a raised bed. You need some altitude, even if it's just a few inches, but better if its feet, like a foot or two…"