Black Dots All Over Siding

Small black spots on siding.

Black dots all over siding.

It s on the porch my windows but it is worse on the siding. Also known as artillery or cannonball fungus sphaerobolus it uses internal water pressure to forcefully fire its spores similar to seeds up to 20 feet away the fungus sets its sights on bright areas so that means it will aim for any pale surface that reflects light such as the siding on your house. It goes all the way up to my second story windows and is even under my soffit and on my gutters. We have these small black spots that look like specks of tar all over our white vinyl siding of our house.

We have thousands of tiny black spots pin head size all over the siding of our house. Some tell us it s from spiders. They are almost like tar. I had the same problem of artillery fungus all over my white vinyl fence.

Others have said it s a fungus from mulch. 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. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. This is a five foot open picket vinyl fence and was literally covered in black dots i could not even see the white in some areas.

It s hard to see shotgun fungus itself because it s only 2 millimeters wide. You have the infamous artillery fungus. Why do we have these small black spots all over our siding and windows if you re noticing small spots on your home car patio furniture or anything else in close proximity of your mulch beds you have some artillery fungus nearby. I have black spots all over my vinyl siding.

I used a product from the home depot called behr premikum deck fence and siding mildew stain remover. It s on the porch my windows but it is worse on the siding. Thousands of them about the size of a ballpoint pen tip. It goes all the way up to my second story windows and is even under my soffit and on my gutters.

They are even as high up as my gutters up to 15 ft.