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.
Black spots on vinyl siding mulch.
The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch.
Shotgun fungus can shoot black spots on your house here s how to avoid the mess.
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The artillery fungus is a white rotting wood decay fungus that likes to live on moist landscape mulch.
As these structures dry the spore mass is shot out of the fungal vessel to a distance as much as 10 or 20 feet.
You will find it nearly impossible to remove these spore masses from a home without removing the paint.
Black spots on siding.
If you re seeing dark specks on your siding the culprit could be hiding in your 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.
Will they hurt my house like eat holes in my siding.
The worst thing about this fungus is that it shoots spores up to 20 feet which often land on siding cars and anything else that surrounds the mulch.
Use these simple landscaping tips to prevent this from happening.
Here is a photo of what the actual fungus that produces the black spores.
These spore masses have a very sticky surface and stand out as black spots on sides of homes.
What are these black spots on your house siding.
Davis of penn state.
Artillery fungus is a wood dwelling fungus commonly found in mulch.
The artillery fungus if sprayed with a week bleach and water solution will go away but if left unchecked it explodes and send these black particle 5 15 feet away from the source the mulch video how to get rid of spots on vinyl siding.
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.
These spots are often caused by spiders especially true when you re near water.
Here is what the spores look like on the vinyl siding.
Are those spots alive.
