Abstract: A mulch strip consists of an elongated base sheet formed from a flexible plastic material having a pair of parallel fluid reservoir tubes extending along the length of the base strip, down opposite side edges of the strip. Each of the fluid reservoir tubes is provided with a hose fitting for connection with a conventional garden hose for filling the reservoir tubes with water. In use, the water filled tubes serve to hold the mulch strip in place, and form a channel for retaining rain water on the surface of the strip. The fluid reservoir tubes also collect heat and serve to keep the ground beneath the strip warm after sunset. A plurality of concentric perforations are spaced along the length of the base sheet for the insertion of plants into the ground through the base sheet. Spaced peg holes are provided around the periphery of the base sheet which allow pegs to be inserted through the holes to retain the mulch strip in place.