I recently spread ash on my sidewalk after the snow and discovered it does a great job of bleaching the concrete as a bonus. I usually spread it on my lawn, I just wait for a gentle breezy day, stand upwind, scoop a shovelful and throw. Never burned the lawn, but never saw any benefits either.
It does a good but temporary job on moss too.
TE
It does a good but temporary job on moss too.
TE