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Landscape Ground Cover Debate: Mulch vs Rock
Landscape

Landscape Ground Cover Debate: Mulch vs Rock

Monday, June 02, 2025

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Landscape Ground Cover Debate: Mulch vs Rock

If you've been considering adding a ground cover to your landscape beds in Pennsylvania, there are plenty of options available, but two of the most popular ones are mulch and rock. Mulch and rock ground covers provide similar benefits to your landscape beds, including weed prevention, soil erosion control, and moisture retention. The main difference between the two is that mulch decomposes over time while rock doesn’t. While mulch will need to be replenished at least once a year, rock will only need to be replenished when it starts to look worn down. If you're wondering which option is better, there's no real answer to that. They are both great options, and which one you choose will come down to your personal preference.


Mulch and rock both offer similar benefits for your landscape beds.

Black mulch in landscape bed with rock border in Macungie, PA.

If you’re on the fence about whether to choose mulch or rock to fill your landscape beds, keep in mind that they both offer similar benefits for your plants. They provide essential protection against weeds while also helping to regulate soil temperature and moisture levels by blocking direct sunlight from penetrating the soil. Their color also reflects sunlight, which in turn helps to moderate the temperature underneath and trap moisture for longer periods of time.

Mulch and rock ground covers will also help prevent soil erosion by holding the soil in place while making your landscape beds more presentable by giving them a uniform appearance. Both options are great ground covers for keeping your plants protected and well-cared for year-round.


The main difference between mulch and rock ground covers is that mulch decomposes while rock doesn’t.

One key difference between mulch and rock is that mulch will eventually decompose over time, while rock will not. If you choose to install a rock ground cover in your landscape beds, you don’t have to worry about it breaking down over time and having to replenish it multiple times throughout the year. With rock, you will just need to refresh it whenever the color fades or looks worn out.
On the other hand, because mulch is made from organic materials like wood chips, it will naturally degrade over time. As mulch decomposes, it will add beneficial nutrients to the soil. However, because it decomposes, you will need to replenish it so that it can continue to provide its benefits.

Mulch ground covers come in various colors, such as black and brown.

So, is mulch or rock a better option for your landscape beds?

The best way to determine whether mulch or rock is a better fit for your landscape beds is to consider the aesthetic preferences you want to achieve for your yard. If you want a natural look for your outdoor space, then mulch might be the right choice for you. Mulch ground covers come in various colors, but they tend to give off a more “nature-like” feel to your home's surroundings.
On the other hand, rock ground covers give off a more modern vibe. Rocks are available in a wider range of colors compared to mulch, which allows them to blend well with your existing landscape. Fortunately, you can't go wrong with either option; it all comes down to your personal preference!


Contact us today to schedule our mulch or rock installation service!

If you want to enhance the health of your plants and the aesthetics of your landscape beds, we can help. We offer both our mulch and rock installation services to residential and commercial property owners in Macungie, PA, and surrounding areas like East Greenville and Fogelsville. Give our team a call today at (484) 547-8246 to schedule either of these services. We are standing by and ready to help you get the beautiful landscape you have always wanted.


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