The dark spots are indeed spores but they do not come from your oak trees.
Black spot spors on siding.
You have the infamous artillery fungus.
Black spots on siding.
It s on the porch my windows but it is worse on the siding.
The lady called us out in a job today to have us take big poop off her siding.
Those annoying black spots that creep up your siding or splash along the side of your car may not be mud spatters but artillery fungus.
A microscopy lab examination of a sample from this surface would be needed to know for sure.
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.
What is artillery fungus.
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.
Use these simple landscaping tips to prevent this from happening.
Small black spots on siding.
And of course the black spots show up better on white surfaces so they are noticed more easily.
All of these fungi are involved in the natural decomposition of wood based mulches.
Are those spots alive.
In nature the artillery fungus shoots its spores towards sunlight.
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.
Bet your boat will have spots too if you have one.
Artillery fungus is a wood dwelling fungus commonly found in mulch.
By the growth pattern we think this is almost certainly a dark colored algae.
We have these small black spots that look like specks of tar all over our white vinyl siding of our house.
It is sphaerobolus a common fungus that sticks firmly to light or white colored surfaces and resembles spots of tar.
It goes all the way up to my second story windows and is even under my soffit and on my gutters.
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.
The black stains on the vinyl siding shown at left may be a fungus or a black agae.