Small Black Spots On Vinyl Siding

Some tell us it s from spiders.

Small black spots on vinyl siding.

Others have said it s a. 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. 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. Artillery fungus is a wood dwelling fungus commonly found in mulch.

But testing is probably not justified. Lawn garden we have thousands of tiny black spots pin head size all over the siding of our house. A microscopy lab examination of a sample from this surface would be needed to know for sure. By the growth pattern we think this is almost certainly a dark colored algae.

It goes all the way up to my second story windows and is even under my soffit and on my gutters. Micro black spots on siding tags. It s on the porch my windows but it is worse on the siding. The black stains on the vinyl siding shown at left may be a fungus or a black agae.

We have these small black spots that look like specks of tar all over our white vinyl siding of our house.