Build a Raised Hugelkultur Garden Bed Layer by Layer 1. Bottom layer 5% cardboard Place flattened cardboard to block weeds from sprouting. 2. Wood layer 45% Add logs, sticks, and branches. They break down slowly, storing moisture and nutrients. 3. Green waste 10% Use grass clippings, leaves, or small prunings. Provides nitrogen and speeds up decomposition. 4. Compost 10% Add kitchen scraps, aged manure, or organic matter for quick nutrition. 5. Topsoil 30% Finish with rich garden soil, mixed with a bit of sand or loam. This is the planting zone. Tips: Water thoroughly once built to kickstart decomposition. Mulch the surface to retain soil moisture. Perfect for growing lettuce, tomatoes, cucumbers, beans, and herbs.