Name: BlueFox Grand Forks, B.C. Cdn. Zone 5A (Zone 4a) Romantic & Rustic, Xeric & Organic
I've had good results using dolomite lime as an organic remedy for moss. Moss seems to like acidic conditions, so if you can alter the pH it won't like that. There's no guarantee you'll get rid of it all, but it might make is less obvious.