Organic mulches are often by-products of other industries, while inorganic mulches are made from non-natural or artificial materials. While the two types are at opposite ends of the spectrum, each has been used for aesthetic reasons and has its own advantages. Since then, mulch materials and practices have become a literal science, and mulch has become something of an obsession among some patio enthusiasts. Instead, separate mulch 6 from the trunk and then continue with the appropriate amount of mulch to the tree's drip line.
To determine how much mulch you need, multiply the length x width x the depth of the mulch in inches, and then divide that number by 1728 (the number of inches in a cubic foot). While inorganic mulch won't add nutrients to the soil, it won't temporarily deplete nitrogen levels like fresh wood mulch does. You can apply mulch any time of the year, but it's more beneficial to spread it around root areas in mid-spring, as the soil warms up and the growing season begins. Inorganic mulches don't add nutrients to the soil, but they protect it from weeds and last longer than organic mulches.
Inorganic mulch contains no organic waste, so unlike straw, hay and grass clippings, there's no chance of weeds mixing with the mulch. Plastic and cloth mulches are generally used to prevent weed growth, while stone mulches give grass an elegant touch. Organic mulch protects plant roots and infuses nutrients into the soil, while inorganic mulch prevents weed growth and can give your home great curb appeal. As always, talk to a mulch and topsoil professional near you to determine what type of mulch will work best with your garden and get the most out of your garden.
Because organic mulch breaks down, you should replace it annually or every few years, depending on the covering material. While rocks, gravel, and black plastic mulches can heat plants (sometimes to lethal levels), organic mulches will keep the soil warm in winter and cool in summer. Organic mulches, such as straw and grass clippings, can contain weed seeds, which is frustrating for homeowners who applied mulch to remove weeds. In my opinion, wood mulches (especially bark) don't make much sense in a garden, let alone from a garden health standpoint, but keeping CCA out of these mulches is still a big step.
The Mulch Soil Council & also developed a product certification program to help consumers identify mulches and soils that meet industry standards and do not contain wood treated with CCA. When it comes to protecting soil, mulch is all the rage, but choosing between organic and inorganic mulch can be quite a difficult decision. Check out more from our website.
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