I had the same problem of artillery fungus all over my white vinyl fence.
Black dots all over siding.
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.
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 s sometimes referred to as shotgun fungus due to the shotgun like pattern of black specks all over the car as well as the way the fungus is shot onto the vehicle more on that later.
Thousands of them about the size of a ballpoint pen tip.
We have these small black spots that look like specks of tar all over our white vinyl siding of our house.
They are almost like tar.
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.
It goes all the way up to my second story windows and is even under my soffit and on my gutters.
You have the infamous artillery fungus.
They are even as high up as my gutters up to 15 ft.
It s hard to see shotgun fungus itself because it s only 2 millimeters wide.
We have these small black spots that look like specks of tar all over our white vinyl siding of our house.
I used a product from the home depot called behr premikum deck fence and siding mildew stain remover.
Some tell us it s from spiders.
They are hard and when you pick them off they leave a small brown stain.
Artillery fungus is a wood decaying fungus that likes to live in landscape mulch.
Small black spots on siding.
I have black spots all over my vinyl siding.
It s on the porch my windows but it is worse on the siding.
We have thousands of tiny black spots pin head size all over the siding of our house.