Black Dots Vinyl Siding

Artillery fungus scientific name.

Black dots vinyl siding.

We have these small black spots that look like specks of tar all over our white vinyl siding of our house. Here is what the spores look like on the vinyl siding. The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch. What are these black specks on my house siding and windows.

Small black spots on siding. 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. Algae may also look black or brown as may some molds. Some tell us it s from spiders.

It seems to be an epidemic in some communities. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. The vinyl siding institute yes there really is such an organization offers some helpful and specific tips for dealing with stubborn moldy spots on your siding. It s on the porch my windows but it is worse on the siding.

It goes all the way up to my second story windows and is even under my soffit and on my gutters. We have thousands of tiny black spots pin head size all over the siding of our house. You have the infamous artillery fungus. Click to enlarge any image small gray or darker round spots on siding that are about 1 16 in individual diameter particularly if the spots are slightly raised may be artillery fungus a mold spore.

It goes all the way up to my second story windows and is even under my soffit and on my gutters. The worst thing about this fungus is that it shoots spores up to 20 feet which often land on siding cars. Others have said it s a fungus from mulch. The photo at above left shows green algae on vinyl siding.

Store bought cleaners such as windex will usually do the job for these kinds of spots but if you want to make your own chemical free solution you can use a natural mixture of. If you have new vinyl siding that s still shiny and you know that the spores haven t been stuck on for more than a few days you might be able to power wash them off. It s on the porch my windows but it is worse on the siding. Shotgun fungus can shoot black spots on your house here s how to avoid the mess.

Don t be tempted to sand or use harsh cleaner because these will likely damage your siding. Species of sphaerobolus a pro services inc has competed with artillery fungus for several years.