Small Black Spots On Vinyl Siding

A microscopy lab examination of a sample from this surface would be needed to know for sure.

Small black spots on vinyl siding.

But testing is probably not justified. Others have said it s a. We have these small black spots that look like specks of tar all over our white vinyl siding of our house. Artillery fungus is a wood dwelling fungus commonly found in mulch.

If you notice lots of tiny black or dark brown spots developing on your siding above a landscaped area of your yard as seen below it is most likely artillery otherwise known as shotgun fungus. By the growth pattern we think this is almost certainly a dark colored algae. 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. 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.

Some tell us it s from spiders. 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. Micro black spots on siding tags. Use these simple landscaping tips to prevent this from happening.

The black stains on the vinyl siding shown at left may be a fungus or a black agae.