photo credit: tali wildman We love using gravel in our landscape installations. We spec it on every project as a lovely composition with steel, wood, concrete, turf grass, and vegetation. For a while we used mulch in vegetative beds (and I know our build team would prefer to move it over heavy gravel), but we found that gravel was preferable as a surface treatment in most applications for a number of reasons: Maintenance. Gravel does not need to be reapplied each year (exc