Famous How To Reinforce The Bottom Of A Raised Garden Bed References. Using newspapers on the bottom of a raised garden bed is so easy. The cardboard is there to help the organic materials compost faster.

And it is very important to keep weeds out of your raised bed for the magnificent growth of your plants. If you are using cardboard, newspaper, straw, or other organic matter, have it extended outside the bin by at least 6 inches. After you place organic materials, you’re supposed to put cardboard on the top of that layer.