Black Spots On Vinyl Siding Mulch

Artillery fungus is a wood dwelling fungus commonly found in mulch.

Black spots on vinyl siding mulch.

The mulch is being contaminated by artillery fungus also known as sphaeobolus stellatus. Here is what the spores look like on the vinyl siding. Some tell us it s from spiders. John shows you images o.

Add a fresh layer of mulch. This is damaging your siding. The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch. These are microscopic flowers that shoot tar like substance up the 20 feet.

Use big pieces of pine bark or other bark mulch which are a less hospitable place for the fungus. I am getting small dark spots on windows and the white siding of my house. It goes all the way up to my second story windows and is even under my soffit and on my gutters. 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.

April 30 2019 at 11 07 am edt updated april. Plant a low maintenance groundcover in the area instead of using mulch. Here is a photo of what the actual fungus that produces the black spores. 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.

This will buy you a year before the fungus reaches to the top of the new mulch. 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. The worst thing about this fungus is that it shoots spores up to 20 feet which often land on siding cars. We have thousands of tiny black spots pin head size all over the siding of our house.

Artillery fungus black tar spots on houses artillery fungus seeing black tar spots on the sides of your house or vehicles. By sandy feather penn state extension. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. Replace wood mulch with landscape fabric and small stones.