Black Spots On Siding In Clusters

They wont come off with plain high pressure water or a brush its even hard to scrape them off with my fingernail.

Black spots on siding in clusters.

Are there any chemicals recommended that wont ruin my vinyl shrubs or lawn. The dark spots are indeed spores but they do not come from your oak trees. Others have said it s a. Some tell us it s from spiders.

In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding. Micro black spots on siding tags. They are the reproductive structures produced by artillery fungus sphaerobolus stellatus one of several fungi common on wood mulches used around plantings in home and commercial landscapes. I have hundreds of tiny black dots spread out all over my house.

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. And of course the black spots show up better on white surfaces so they are noticed more easily. In nature the artillery fungus shoots its spores towards sunlight. 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.

Are those spots alive.