Awasome Proper Gravel Drainage For Raised Garden Bed Ideas. A raised bed is simply a structure that holds soil and keeps the plant off the ground underneath. You can purchase your crushed rock from any rock yard or your home improvement centers.

Get tips on soil composition, bed depth and width, positioning, drainage materials, and proper watering practices. Level the bottom and create steps to accommodate sloped areas. Web to improve drainage in a raised bed, loosen the soil, attract worms to your raised bed, and add the right soil amendments (such as compost, perlite, or vermiculite).