In one aspect of the invention there is provided a plant surround for forming a water retaining barrier around a plant, including a curved generally elongate body having opposing ends including cooperating engagement members that are configured to reversibly engage to thereby delineate said water retaining barrier and a locking member attached to said elongate body and configured to inhibit complete or partial disengagement of said opposing ends of the body. In other aspects, there is provided a biodegradable plant surround and a plant surround including irrigation hose engaging tabs.
