Patent ID: 7647726
Filing Date: 2010-01-19
Classification: A01G

Abstract:
1. A device for covering a plant growing medium, comprising: a sheet, said sheet being substantially planar and lying substantially in a first plane; an aperture defined by said sheet, said aperture sized to permit a plant to grow therethrough; and at least one protrusion projecting in a first direction from said sheet for engaging a top surface of a plant growing medium, wherein said sheet has at least one sheet edge, and at least one of said at least one sheet edge has a cover wall connected thereto and projecting therefrom, wherein said at least one cover wall projects further into said first direction than said at least one protrusion and wherein said at least one protrusion has a lower surface for engaging a plant growing medium to support said device thereon, wherein said aperture in said sheet is spaced in said first direction away from said lower surface of said at least one protrusion, and wherein said at least one cover wall comprises a slit so as to enhance the circulation of air proximate to a plant growing medium when said device is placed on a plant growing medium.