Black Dots On House Siding

What are these black spots on your house siding.

Black dots on house siding.

I am getting small dark spots on windows and the white siding of my house. Artillery fungus common name. By sandy feather penn state extension. If your house is in the way of the spray you ll see the results.

I have tried to remove these spots with mineral spirits without. It s on the porch my windows but it is worse on the siding. 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. Whether it s lighter white or tan or darker black spots you should take immediate action to clean these damaging fungi from your home.

The artillery fungus is a white rotting wood decay fungus that likes to live on moist landscape mulch. Species of sphaerobolus a pro services inc has competed with artillery fungus for several years. Some tell us it s from spiders. The spots are about the size of the head of a pin and appear to be black or dark brown in color.

Because this organic material sticks to house siding and windows we. Davis of penn state. 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. It goes all the way up to my second story windows and is even under my soffit and on my gutters.

Others have said it s a fungus from mulch. In nature the artillery fungus shoots its spores towards sunlight to aid in dispersal. And of course the black spots show up better on white surfaces so they are noticed more easily. We have thousands of tiny black spots pin head size all over the siding of our house.

Tiny black specks you can t rinse off with a hose. In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding. Mildew or even worse mold may be the culprit. Artillery fungus is a wood dwelling fungus commonly found in mulch.

We have these small black spots that look like specks of tar all over our white vinyl siding of our house. What are these black specks on my house siding and windows. 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. Artillery fungus scientific name.