Black Spots On White Vinyl Siding

You have the infamous artillery fungus.

Black spots on white vinyl siding. In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding. It goes all the way up to my second story windows and is even under my soffit and on my gutters. 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. 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.

Are those spots alive. And of course the black spots show up better on white surfaces so they are noticed more easily. Allow it to bubble on the siding and then sponge it off mouthwash is another bizarre solution to remove artillery fungus but don t laugh. You will find it nearly impossible to remove these spore masses from a home without removing the paint.

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 is a wood dwelling fungus commonly found in mulch. Small black spots on siding. Lots of folks swear by it.

In nature the artillery fungus shoots its spores towards sunlight. These spore masses have a very sticky surface and stand out as black spots on sides of homes. There s also hydrogen peroxide at a strong strength. As these structures dry the spore mass is shot out of the fungal vessel to a distance as much as 10 or 20 feet.

If you re seeing dark specks on your siding the culprit could be hiding in your mulch. Use these simple landscaping tips to prevent this from happening. We have these small black spots that look like specks of tar all over our white vinyl siding of our house.