The moss helps keep the soil warm and holds moisture in, keeping the soil from drying out as quickly. Sometimes, the moss is mixed in with the soil, for hanging baskets and in the garden, to aerate the soil and/or add acidity. Although sometimes referred to as "peat" for short, peat moss and peat are not, technically, the same thing. It breaks down too fast, compressing and squeezing air out of the … Peat moss is the collective name given to moss that comes from genus “sphagnum”. This is a process that happens in nature but you can also create your own peat moss to use in the garden. Here are some of the uses or benefits of peat moss: