Black Dots All Over Siding

In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding.

Black dots all over 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. What are these black spots on your house siding. They are hard and when you pick them off they leave a small brown stain. We have these small black spots that look like specks of tar all over our white vinyl siding of our house.

It seems they are only where my mulch beds are. It goes all the way up to my second story windows and is even under my soffit and on my gutters. They are almost like tar. I have black spots all over my vinyl siding.

Thousands of them about the size of a ballpoint pen tip. Bet your boat will have spots too if you have one. The artillery fungus is a white rotting wood decay fungus that likes to live on moist landscape mulch. And of course the black spots show up better on white surfaces so they are noticed more easily.

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. 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. You have the infamous artillery fungus.

The artillery fungus shoots its black sticky spore mass which can be windblown as high as the second story of a house. Small black spots on siding. They may be a problem. It s on the porch my windows but it is worse on the siding.

The tiny dots are caused by what s called artillery fungus that grows in certain types of mulch. Davis of penn state. Shotgun fungus can shoot black spots on your house here s how to avoid the mess if you re seeing dark specks on your siding the culprit could be hiding in your mulch. Are those spots alive.

It s sometimes referred to as shotgun fungus due to the shotgun like pattern of black specks all. Use these simple landscaping tips to prevent this from happening.