Black Spot Spors On Siding

Bet your boat will have spots too if you have one.

Black spot spors on siding.

If you re seeing dark specks on your siding the culprit could be hiding in your mulch. In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house 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. John shows you images o.

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. We have not found an efficient way to get them off without leaving a stain on the siding. 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.

We will call these spores although they are technically spore masses or gleba. Black spots on your house siding can be hideous these spots are known as artillery fungus. It may look unsightly but it s not harmful. The spores are usually shot only a short distance but the wind can carry them for longer distances.

The spore masses of the artillery fungus stick like super glue. The siding has been on the houses for 12 years and now everyone is talking about the black spots so it s really a town issue lol but one we need to figure out. Learn how to remove and prevent them. Thankfully i only have one area that has plants next to it so the bleach solution wouldn t hurt them but not sure about my deck stains.

Black spots on siding. 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. Artillery fungus is a wood dwelling fungus commonly found in mulch. Use these simple landscaping tips to prevent this from happening.