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PURPOSE : An environmentally-friendly flower bed frame which is mounted on step is provided to firmly fix L-form flower bed frame at the step by integrating.CONSTITUTION : An environmentally-friendly flower bed(100) comprises : a bottom material(110) placed on the bottom of the step; and a wall surface material(120) which prevents outflow of earth and sand and support. The flower bed is made of a metal net. The flower bed further comprises : a support member which supports the floor material and wall surface of the L-form flower bed frame by connecting; a raising mat for preventing loss of earth; and a drain board which facilitates drainage and protects retaining wall from the plant root.COPYRIGHT KIPO 2011