Black Dots All Over Siding

The artillery fungus shoots its black sticky spore mass which can be windblown as high as the second story of a house.

Black dots all over siding.

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 spots on your house siding. The fruiting body of this fungus orients itself toward bright surfaces such as light colored houses or parked automobiles. They are even as high up as my gutters up to 15 ft.

Thousands of them about the size of a ballpoint pen tip. In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house 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.

They are almost like tar. Davis of penn state. They are hard and when you pick them off they leave a small brown stain. And of course the black spots show up better on white surfaces so they are noticed more easily.

It s sometimes referred to as shotgun fungus due to the shotgun like pattern of black specks all. It goes all the way up to my second story windows and is even under my soffit and on my gutters. I have black spots all over my vinyl siding. Use these simple landscaping tips to prevent this from happening.

The artillery fungus is a white rotting wood decay fungus that likes to live on moist landscape mulch. They may be a problem. The tiny dots are caused by what s called artillery fungus that grows in certain types of mulch. Bet your boat will have spots too if you have one.

Black spots on siding. In nature the artillery fungus shoots its spores towards sunlight. It s on the porch my windows but it is worse on the siding. You have the infamous artillery fungus.

Are those spots alive. Small black spots on siding.