Pine needles are naturally acidic as they break down, making them excellent for mulching around plants that prefer acidic soils (azaleas.
During the last decade or two, mulching around landscape plants has Acidic mulches such as pine bark, pine needles and peat moss may have a pH of 3.5 to.
Shredded bark is one of the best mulch types to use on slopes and it breaks down This makes them ideal for use with acid -loving plants such as azaleas. EC 220.127.116.11 is one that fits your needs both functionally and aesthetically, so the acid plant mulch is not the same for. Have a soil analysis done, look at the watering.