 Yes, it works for any woody plants and is explained in detail in the Natural Organic online course on the homepage of DirtDoctor.com. Some mulches are better than others. I do not recommend plastic sheets or weed blocking fabrics because they provide nothing beneficial, cause heat buildup, and foul up the flow of oxygen in and carbon dioxide out of the soil. Best mulch is shredded native tree trimmings from your own property. Second best choice is shredded native cedar.