A container cover device including a pliable sheet comprising a perimeter configured to be secured to an upper portion of a container so as to prevent spillage of contents of the container if the container were tilted, said pliable sheet having a first side and a second side, an opening provided in the pliable sheet extending from the first side to the second side of the pliable sheet, and a slit extending from the opening to the perimeter, thereby defining a first end and a second end of the container cover device, wherein the first end and the second end are configured to be removably engageable with one another, wherein the container cover device inhibits and/or prevents vegetative growth around an object configured to extend through the opening in the container cover device. A system and method are also disclosed.