Learn how to remove and prevent them.
Black spot spors on siding.
We have not found an efficient way to get them off without leaving a stain on the siding.
In nature the artillery fungus shoots its spores towards sunlight.
In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding.
It may look unsightly but it s not harmful.
The spore masses of the artillery fungus stick like super glue.
John shows you images o.
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.
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.
Black spots on siding.
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.
We will call these spores although they are technically spore masses or gleba.
Artillery fungus is a wood dwelling fungus commonly found in mulch.
Bet your boat will have spots too if you have one.
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.
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 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.
The spores are usually shot only a short distance but the wind can carry them for longer distances.
Black spots on your house siding can be hideous these spots are known as artillery fungus.
Use these simple landscaping tips to prevent this from happening.