disclosed is mobile mechanical xeriscape gravel cleaner which is delivered to the site of the xeriscaping to be cleaned by a wheel / axle assembly , leveled with adjustable jack stands mounted on the metal frame . xeriscape material to be cleaned is collected and deposited in a hopper with slide plate to control flow of material into the receiving chamber . using an external power system , the auger / screener device rotation begins and picks up and carries forward the material , passing through the transition plate to the auger / cleaner chamber where foreign material passes through the screen . the cleaned material proceeds to the discharge chamber where it is collected and returned to the original xeriscaped site . the mobile mechanical xeriscape gravel cleaner can clean xeriscape gravel at a lower cost , with improved quality and a higher rate of speed than was previously possible , with significantly reduced burden to the ecosystem .