By Brenna Wiegand What can transform the landscape and cut garden water usage by 30 to 50 percent? Mulch! Mulching is simply spreading a layer of something – bark dust is a good example – over the existing soil between plants. Mulch is (usually) organic material – decaying leaves, grass clippings, bark, rock, sawdust, paper, hog fuel, humus… Filbert shells! […]