About Hardwood Mulch
Consist of shredded and composted bark from hardwood trees. Sawmills remove this bark before cutting the timber into lumber. The bark is obtained from the mill, composted for at least 6 months, then shredded and screened. The longer the bark is aged, the darker it gets. Most bark mulch producers only shred and screen the bark once. The screen size determines how fine or coarse it will be. "Double" and "Triple Ground" are terms used by consumer and do not represent how mulch is really made. Some producers add shredded pallets, yard waste and sewage to hardwood bark mulches to increase profits. Indiana Mulch produces and sells 100% pure hardwood bark mulches to ensure the health of your landscape.
Proper composting and aging produces mulch rich in nutrients with a dark brown to black color. Coarse hardwood mulch will help prevent erosion, while the finer well-aged hardwood bark gives your landscape a nice clean rich look. Because of its density, hardwood bark insulates and protects your plants from extreme temperatures better than most mulches.
Though it looks great, it can be a high maintenance mulch. Hardwood mulch does compact causing a dry condition under the mulch. When this occurs, your landscape will be starved of water and air. This will promote the growth of fungus and will raise soil temperatures through the summer months. Occasional aerating, cultivating (raking) and watering will greatly decrease the chance of fungus and disease. The finer and dryer the mulch, the more prone it is to this problem.
Beware of hardwood mulch that may have a vinegar or ammonia smell, it could be toxic. This is a result from a mulch producer which has improperly composted the mulch. It will kill annuals and perennials over night and can cause damage to your shrubs and trees. Do not use it! If it has already been applied, water the mulch and plants thoroughly.