Black Spots On Siding From Mulch

Artillery fungus black tar spots on houses artillery fungus seeing black tar spots on the sides of your house or vehicles.

Black spots on siding from mulch.

This common fungus is often found in bark mulch especially hardwood mulch too. Artillery fungus black spots on siding and vehicles. If you notice lots of tiny black or dark brown spots developing on your siding above a landscaped area of your yard as seen below it is most likely artillery otherwise known as shotgun fungus. Artillery fungus is a wood dwelling fungus commonly found in mulch.

Artillery fungus produce black tar like spots on vehicles and siding. The mulch is being contaminated by artillery fungus also known as sphaeobolus stellatus. Save for later print. I am getting small dark spots on windows and the white siding of my house.

The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch. Replace wood mulch with landscape fabric and small stones. Others have said it s a fungus from mulch. Also the use of gravel or plastic mulch will not cause the formation of the spores.

To kill the spores in lighter areas cover the zone with black plastic and allow the sun to cook the spores out. Here is a photo of what the actual fungus that produces the black spores. These are microscopic flowers that shoot tar like substance up the 2. By sandy feather penn state extension.

The spots are about the size of the head of a pin and appear to be black or dark brown in color. The worst thing about this fungus is that it shoots spores up to 20 feet which often land on siding cars and anything else that surrounds the mulch. Add a fresh layer of mulch. We have these small black spots that look like specks of tar all over our white vinyl siding of our house.

Plant a low maintenance groundcover in the area instead of using mulch. Use big pieces of pine bark or other bark mulch which are a less hospitable place for the fungus. Its adhesion properties are legendary and the spots can be difficult or even impossible to remove without damaging the surface. Artillery fungus black spots on siding and vehicles.

We have thousands of tiny black spots pin head size all over the siding of our house. This will buy you a year before the fungus reaches to the top of the new mulch.