RTS Home Accents Rock Lock Raised Garden Bed, 2 Curved Pieces and 2 - 18 in. Spikes - Will not crack or chip in any weather. Each section only weighs 9 lbs. Extends growing season as the hollow walls insulate the soil and plants. 18 in. Spikes Raised Garden Bed - The Home Depot Please note: You are currently browsing img raised garden stands home raised beds curved bespoke that is 640x480px in size. This image is listed in curved raised garden bed ideas category. 18 in Spikes Raised Garden Bed The Home Depot, 640x480 in 55.34 KB.