Cardboard is a great gardening tool because it's biodegradable. It improves soil health as it breaks down and retains moisture. You can use cardboard as a weed barrier, seed starter pots, vine ...
Rather than a raised bed with a bottom, Kylie is using a layer of cardboard directly over the dirt as a base for the garden bed. Cardboard suffocates weeds, retains soil moisture, and adds nutrients ...
Layer these materials on the bottom of your raised beds to reduce weeds and other garden problems.