View Larger Image Sedums and Alliums in Diagonally Planted Wall Sedums and Alliums in Diagonally Planted WallWater-conserving Sedums and Alliums are beautiful green wall plants that can last as perennials for many years before becoming root-bound. Project Details Categories: Outdoor Plant CombinationsPerennialsSucculents Tags: OutdoorStandard Planters Share This Story, Choose Your Platform! FacebookTwitterLinkedInEmail