Small Black Spots On Vinyl Siding

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Small black spots on vinyl siding. Lawn garden we have thousands of tiny black spots pin head size all over the siding of our house. 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. 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. 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. Use these simple landscaping tips to prevent this from happening. 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. A microscopy lab examination of a sample from this surface would be needed to know for sure. 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. Some tell us it s from spiders.

Micro black spots on siding tags.