Pine needle mulch is a natural soil enhancer that reduces erosion, slows down moisture evaporation and keeps down weeds.
 
There are many more benefits to using pine straw as a natural mulch; read about pine straw benefits.Pine needles are also known as pine straw.
 
Pine needles usually have a high amount of acid, so care must be taken when placing them in your whole yard or landscape, depending on pH levels. There are many plants that love all the pine straw acid.