Peat moss continues to break down at this slow pace in your soil, which means it lasts a lot longer than other organic materials. In these anaerobic (oxygenless) conditions, peat moss takes centuries to break down. The process of peat moss decomposing takes place in a bog, underwater, without oxygen. Seedlings are extremely vulnerable, and they need a clean, safe environment in which to establish themselves. Sterility is a great quality in a seed starter. Other organic matter (compost, for example) carries the risk of contaminating your soil with these pathogens. Because peat moss is completely sterile, it’s free of bacteria, fungi, and weed seeds that could harm your plants. ✓ Free of bacteria, fungi, and weed seedsīefore they ship peat moss to stores, producers have to sterilize it. If your soil retains more nutrients, plants can grow strong and healthy without as much fertilizing. Just like it holds water, it holds onto those nutrients better than soil does on its own. ✓ Holds soil nutrientsĭid you know essential nutrients (such as nitrogen, phosphorus, and potassium) can leach out of your soil when you water your plants? Peat moss helps prevent this nutrient loss. But with peat moss, your soil will be looser, and you won’t have to aerate as often. One way to solve this problem is lawn aeration. When soil becomes compacted, water and nutrients can’t get through to your plants’ roots. Peat moss is lightweight and has a loose texture, so it doesn’t get compacted over time as heavy soil does. Peat moss has the best of both worlds: It holds sufficient water for plants while still having good drainage. What does that mean for you? You don’t have to water your plants as often, and they’ll still have all the water they need.Įven though it retains water, peat moss prevents soil from becoming too water-logged because it releases moisture slowly. Peat moss can hold several times its weight in water. Its popularity is all thanks to the many benefits of peat moss for improving soil quality. Peat moss is a common ingredient in potting mixes, and many gardeners add it to their garden soil, too. ✓ Free of bacteria, fungi, and weed seeds.

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