A system for controlling unwanted foliage growth about a post extending in an upright orientation from the ground comprises a mat having a first edge, a second edge separated from the first edge, a top surface, and a bottom surface. The weed mat further comprises at least one pre-formed cut portion therein for accommodating the post, so that the mat can be secured about the post. A molded-in cut line extends parallel to the edges of the weed mat. The weed mat also includes a molded-in scale system, wherein the molded-in scale system comprises a plurality of additional score lines extending from the molded-in cut line to one of the weed mat edges at pre-determined, measured increments.
