Mulch is excellent for your plants, but the bad news is that a lot of bugs also tend to love mulch. Mulch provides a relatively safe space for bugs to live and reproduce, this is especially true if you have a relatively deep layer of mulch around your plants. Sooner or later some bugs will set up shop in the mulch and if you do not deal with them fast then you might find yourself with an infestation that can spread right into your house.
Usually, organic mulches tend to attract most bugs as they are excellent at providing shelter for them and as the mulch retains water this makes it an excellent place for most bugs to live in, especially in the dry summer months. Inorganic mulches like rubber mulch can also attract bugs, although most of them will use the mulch as shelter rather than a source for food. No matter what kind of bugs you have in the mulch you have to think of why they are there in the first place.
Usually, once you deal with the source of the problem the bugs will simply go away. If you have flies in your mulch then your mulch contains a lot of organic matter which they can use to reproduce, remove it and the flies will no longer come and visit the mulch. For example, if you are using slug pellets then you will have a lot of dead slugs in your garden, sooner or later you will notice that more and more flies are around your mulch, to get rid of them simply remove the dead slugs. If you have a problem with slugs and snails in your mulch then check out my recent article How To Get Rid Of Slugs And Snails ( Top 19 Methods ).
How To Get Rid Of Bugs In Mulch
Firstly, I regularly inspect the mulch and manually remove any visible bugs or pests that I come across. This helps to reduce their population and minimize damage. Additionally, I make sure to keep the mulch layer well-maintained and properly aerated, as excessive moisture can attract pests. I avoid over-watering the mulch and allow it to dry out slightly between waterings. Another effective approach is to introduce natural predators or beneficial insects, such as ladybugs or predatory nematodes, to the garden.
These helpful organisms can feed on the pests and help maintain a balance in the ecosystem. If the bug infestation becomes severe, I consider using organic insecticides or insecticidal soaps as a last resort, making sure to follow the instructions carefully. Regularly monitoring the mulch and taking preventive measures, such as keeping the garden clean and removing any decaying organic matter, can also help prevent bug infestations.
Ants In The Mulch
Oftentimes ants will inhabit organic mulches, mostly because it offers them protection and they need the extra humidity that the mulch provides them. You can always use an organic pesticide to get rid of the ants but there are far simpler and cheaper methods to deal with them. I simply take my shovel, scoop up the anthill, and place it on top of another anthill. Two different colonies of ants will destroy each other, and you will notice that in a day or two, all the ants are dead, or simply ran off to some other place. If you want to know what kind of pests garlic repels then check out my recent article What Does Garlic Repel? ( Top 7 Pests ).
Termites In The Mulch
Termites in the mulch can be extremely problematic, especially if most of your house is made out of wood. Generally speaking, termites move into a mulch if the mulch is mostly made out of wood chips although if they have a source of food nearby like a shed or something containing wood then they will be comfortable living in the mulch. To get rid of termites in the mulch you have to get rid of their food source, if their food source is the wood chip mulch then remove it.
Insecticides can reduce the termite population relatively fast, but for the most part, they are a temporary solution. Get rid of the wood chip mulch and replace it with hay, grass, or straw mulch.
Roaches In The Mulch
Getting rid of roaches in your mulch can be somewhat tricky but not impossible, insecticides do work but you should really address the root cause of the problem. Generally speaking, roaches tend to live in mulch if they have plenty to eat. If you are using compost made out of kitchen scraps then this is one of the main reasons why the roaches live in your mulch. Even if the compost is below the topsoil, the roaches will have no problem accessing it and making a nest in the compost.
To avoid further problems with roaches in your mulch you should remove the compost and the mulch as well. Replace the compost with grass mulch as cockroaches will not eat grass, and you will notice that the grass mulch will not attract any cockroaches.
Flies In The Mulch
As I have mentioned above, flies tend to stick around the mulch if the mulch provides them with food. This food can be either some kind of dead creature or even your compost. If you use kitchen scraps in your compost then this is one of the main reasons why flies tend to stick around the mulch. Remove the compost and use an insecticide specially made for flies, in a matter of days you will get rid of all the flies in the mulch.
Spiders In The Mulch
Spiders are actually beneficial for the mulch as they are mostly predatory and will eat a lot of different insects. However, if you still want to get rid of them then you need to use an insecticide specially made for spiders. In addition to this most spiders prefer darkness, so removing the top layer of the mulch so that the sunlight can reach the areas where the spiders live could get rid of them all together.
Yellowjackets In The Mulch
Yellowjackets are predatory wasps and they can eat a lot of different pests around your house and in your garden. If you start noticing a couple of yellowjackets in your mulch then there is a high chance that there is a colony close by or right in the mulch. To get rid of yellowjackets in the mulch you need to use an insecticide and spray the mulch with it. In addition to this, it is a good idea to remove dead creatures from your mulch like slugs, snails, bugs, and so on because these are actually attracting the yellowjackets to the mulch.
Bees In The Mulch
On rare occasions, bees can actually move right into the mulch and set up a colony. Usually, this tends to happen if your mulch is relatively deep or the mulch is piled high around your trees. The good news is that bees tend to follow their queen, move the queen to another location and the bees will move out. For this, you should really ask for the help of a beekeeper, they will remove the bees usually for free.
Mosquitoes In The Mulch
Mosquitoes tend to prefer damp and dark places for reproducing, and the odds are that your mulch will actually have everything they need in order to reproduce. If you start noticing a lot of mosquitoes in your mulch then odds are that they are actually reproducing in the mulch. Usually, there are two main reasons why this could happen, your mulch is layered way too thick and there is a pool of water right below the mulch, this can happen if the topsoil has been eroded.
To get rid of mosquitoes in the mulch you will have to remove all the mulch and allow the soil to dry off for a couple of days. After a couple of days you can make a new layer of mulch, but this time you will need to make it thinner than before, and most importantly do not reuse the old mulch.
Ticks In The Mulch
Ticks are not really attracted to the mulch, instead, they are attracted to the plants which grow in the mulch. Ticks tend to get on the highest twigs and branches where they wait for an animal or a person to walk by. Generally speaking, ticks are usually brought to the mulch by animals or even by your pets. To get rid of ticks in the mulch you need to use a tick repellant or an insecticide specially made for ticks.
There is no need to remove the mulch as wild animals will simply bring back more ticks and this is why you need to repel them. If you want to know how to get rid of ticks naturally then check out my recent article How to get rid of ticks in the house naturally? ( Top 16 Ways ).
Key Takeaways
- Regularly rake and turn the mulch to disturb the bugs and expose them to the elements. This helps disrupt their habitats and discourages breeding and infestation.
- Introduce beneficial insects, such as ladybugs, lacewings, or predatory mites, to your garden. These insects feed on harmful bugs like aphids, mites, and other pests that may be residing in the mulch. They can help naturally control bug populations without the need for chemical pesticides.
- Keep the area around the mulch clean and free from debris, fallen leaves, and plant matter. Removing these hiding spots and food sources can discourage bugs from congregating in the mulch. Additionally, regularly remove any decaying or moldy mulch and replace it with fresh material to prevent insect infestations.