Black Dots On House Siding

By sandy feather penn state extension.

Black dots on house siding.

Some tell us it s from spiders. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. It s on the porch my windows but it is worse on the siding. Whether it s lighter white or tan or darker black spots you should take immediate action to clean these damaging fungi from your home.

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. The spots are about the size of the head of a pin and appear to be black or dark brown in color. I have tried to remove these spots with mineral spirits without.

Davis of penn state. If your house is in the way of the spray you ll see the results. I am getting small dark spots on windows and the white siding of my house. It seems to be an epidemic in some communities.

In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding. Artillery fungus common name. And of course the black spots show up better on white surfaces so they are noticed more easily. Species of sphaerobolus a pro services inc has competed with artillery fungus for several years.

Mildew or even worse mold may be the culprit. Because this organic material sticks to house siding and windows we. 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. What are these black spots on your house siding.

Seeing black tar spots on the sides of your house or vehicles. Artillery fungus scientific name. During a routine walk around your home looking for any damage or issues that may need to be fixed you notice stains on the siding of your house. What are these black specks on my house siding and windows.

We have thousands of tiny black spots pin head size all over the siding of our house. Artillery fungus is a wood dwelling fungus commonly found in mulch. The good news is the fungus isn t poisonous to you or your pets but unfortunately you can t remove its extremely sticky spores without damaging the walls of your house or any other surface it lands on. The artillery fungus is a white rotting wood decay fungus that likes to live on moist landscape mulch.