I live in colorado on the prairie so no humidity no mold.
Black spots on siding in clusters.
It most likely is artillery fungus and there is no way to completely remove it even if you hand scrub the spots.
The photo at above left shows green algae on vinyl siding.
Species of sphaerobolus a pro services inc has competed with artillery fungus for several years.
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.
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.
Artillery fungus scientific name.
Black spots on siding.
It seems to be an epidemic in some communities.
Algae may also look black or brown as may some molds.
The dark spots are indeed spores but they do not come from your oak trees.
Some in my hard wood entry way too.
Click to enlarge any image small gray or darker round spots on siding that are about 1 16 in individual diameter particularly if the spots are slightly raised may be artillery fungus a mold spore.
Because this organic material sticks to house siding and windows we.
Have to scrub hard to remove them.
These spots are often caused by spiders especially true when you re near water.
Artillery fungus is a wood dwelling fungus commonly found in mulch.
And of course the black spots show up better on white surfaces so they are noticed more easily.
Bet your boat will have spots too if you have one.
They are all over the garage on the floors and surfaces in my kitchen.
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.
In nature the artillery fungus shoots its spores towards sunlight.
Use these simple landscaping tips to prevent this from happening.
We don t see it often in south ga because pine straw is the bedding cover of choice i ve never heard of anyone gtting new siding because of it.
If bug poop what kind of bug.
What are these black specks on my house siding and windows.
Are those spots alive.
In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding.
They are the reproductive structures produced by artillery fungus sphaerobolus stellatus one of several fungi common on wood mulches used around plantings in home and commercial landscapes.