Black Spots On Vinyl Siding Mulch

This will buy you a year before the fungus reaches to the top of the new mulch.

Black spots on vinyl siding mulch.

Plant a low maintenance groundcover in the area instead of using mulch. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. April 30 2019 at 11 07 am edt updated april. Here is a photo of what the actual fungus that produces the black spores.

Artillery fungus is a wood dwelling fungus commonly found in mulch. I am getting small dark spots on windows and the white siding of my house. Add a fresh layer of mulch. John shows you images o.

The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch. Artillery fungus black tar spots on houses artillery fungus seeing black tar spots on the sides of your house or vehicles. The spots are about the size of the head of a pin and appear to be black or dark brown in color. Others have said it s a fungus from mulch.

Replace wood mulch with landscape fabric and small stones. Here is what the spores look like on the vinyl siding. Use big pieces of pine bark or other bark mulch which are a less hospitable place for the fungus. It s on the porch my windows but it is worse on the siding.

This is damaging your siding. The black tar like spots that are all over your vinyl siding are more than likely a fungus called sphaerobolus stellatus better known as artillery or shotgun fungus although it s most often found on the east coast it can grow anywhere and especially thrives in areas that have cool damp springs or rainy fall weather conditions. The mulch is being contaminated by artillery fungus also known as sphaeobolus stellatus. We have thousands of tiny black spots pin head size all over the siding of our house.

These are microscopic flowers that shoot tar like substance up the 20 feet. Some tell us it s from spiders. Black spots on car house could be from a mulch fungus you may have seen these little spots and there s a weird explanation for how they got there. By sandy feather penn state extension.