The Best Do I Need To Mulch Raised Garden Beds References. Straw is one excellent choice for mulching raised garden beds. Best of all, they are the most effective when it comes to limiting the development of weeds in the soil.

You can use newspaper or hessian sacks, or weed matting from a nursery. It’s a good idea to put down a layer of weed matt before filling your garden bed. In the list below, we’ve outlined the best options for mulching raised beds so you can determine which one will work best in your garden.