If you're a no muss, no fuss landscaping type, and have open bed areas without plants to drop messy debris, rock is an easy, no-maintenance option. Unlike mulch, it lasts for years with no need to replace it. Rocks are great for high-traffic areas, where pedestrians tend to take shortcuts. No trampled plants.
Mulch regulates soil moisture and temperature and adds nutrients as it decomposes. It supports a garden of healthy plants. Rocks do not. If you just want tidy landscaping and you like using the leaf blower every week, do rocks. If you want a beautiful and healthy garden, use mulch.
What Does Your Soil Prefer? Mulch made from organic material like bark or wood chips decays over time, crumbling into nutritious bits that actually feed your soil. Rocks don't add anything to the soil. So plants that grow in beds mulched with rocks may need extra fertilizing.
Soil scientists will all tell you that layering soil types is bad. Mulch with large amounts of fines behaves like soil, so layering a soil like substance on the top of soil is soil layering, and by definition, bad. Layering soils often causes drainage problems, increases in soil type diseases, and erosion problems.
When Not to Mulch. Don't mulch just before major rainfall is expected. Too much rain might cause your mulch to run right off your flower beds or away from the base of a tree. You also shouldn't mulch right before a very windy day.
While the material itself does not draw termites to the area, mulch spread over three inches deep creates an inviting habitat for the pests. Layers of organic matter trap heat and moisture next to the ground. Termites use this thick mulch as shelter from harsh weather. Some kinds of mulch may even repel termites.
By using rocks instead of mulch, you can help your plants stay hydrated while minimizing water usage. Pest Control - While mulch can provide a cozy habitat for pests such as insects, rodents, and termites, rocks act as a deterrent.
Made from non-living, inorganic materials such as stones, rubber, or landscape fabric, inorganic mulches do not decompose and thus do not attract pests in the same way as organic options. However, they still cover the soil and retain moisture, which can attract pests looking for shelter.
Mulch is usually cheaper to buy. It's lighter and easier to spread around your garden by yourself. This means you can save some money if you do it on your own. But, even though it's cheaper at first, there's more to think about.
That being said, there are some instances when rocks present disadvantages that include: rocks the fall from higher elevations on to people or property, rocks that are dissolved by acidic water and cause sinking of the land, rocks that contain minerals that are chemically or physically harmful to heatlh (like asbestos ...
If you're seeking the most budget-friendly option, crushed stone often emerges as the winner. Other cheap landscape rock options include pea gravel and river rock. These cheapest rocks for landscaping are cost-effective due to their abundance and minimal processing requirements.
Trees appreciate mulch around their base so they are not competing with other plants for air and water. Mulch also helps the soil around the tree to stay in place and keeps the soil temperature consistent.
I was recently asked by a homeowner if she could plant hydrangeas in the river rock that borders her home. The quick answer is no.
Gravel (and other rocks) act as barriers that shun rain and other forms of precipitation away from a building's foundation. Another benefit of using rock for drainage is that exposed rock absorbs the heat from sunlight more than other materials like mulch. Rock then radiates this heat at night.
Such bug problems are actually more common with wood mulch, since bugs often can't find a place to live or get food amongst the volcanic rock or other landscaping rocks used in gravel. In fact, gravel discourages bugs, protecting your plants if you choose to surround them with gravel.
It kind of depends on the type of rock or mulch, how thick you lay it on, etc. But, weeds can come up through either. Rock is more expensive but is basically permanent; mulch, you have to redo every year or so. Depending on where you live, you might end up with more bugs, if you have mulch.
Typically, your landscaping rock and gravel should last you 8-10 years, so once it's installed, the maintenance is really low touch.
Your garden is naturally filled with plants that may appeal to rodents. This, in combination with the presence of mulching materials, make your garden the ideal space for these pests. Mulches such as straw, wood chips, and leaves offer the mice and their relatives safety and cover.
Avoid using mulch and large rocks in your landscape, as they attract snakes and their prey and can create breeding and overwintering habitat. Instead, use smaller, tight-fitting rock such as gravel or river rock. Also avoid landscaping with water gardens and Koi ponds.