You have the infamous artillery fungus.
Black spots on siding and windows.
Scraping the fungus off the surface is the only effective means of removal though we have discovered a non abrasive scrub pad honey comb pad that dies the trick.
Lawn garden we have thousands of tiny black spots pin head size all over the siding of our house.
The mulch is being contaminated by artillery fungus also known as sphaeobolus stellatus.
The fungi eject the sticky spore mass which can be blown by the wind as high as the second story of a house.
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.
Others have said it s a.
Some tell us it s from spiders.
This is damaging your siding.
Use these simple landscaping tips to prevent this from happening.
Algae may also look black or brown as may some molds.
It s on the porch my windows but it is worse on the siding.
It goes all the way up to my second story windows and is even under my soffit and on my gutters.
Artillery fungus is a wood dwelling fungus commonly found in mulch.
It s on the porch my windows but it is worse on the siding.
Micro black spots on siding tags.
It goes all the way up to my second story windows and is even under my soffit and on my gutters.
As you have discovered the spore mass is difficult to remove without damaging the surface.
We have these small black spots that look like specks of tar all over our white vinyl siding of our house.
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.
Because this organic material sticks to house siding and windows we are confronted with finding a means of removal because that what we do.
The photo at above left shows green algae on vinyl 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.
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 orients itself toward bright objects such as light colored siding windows or shiny automobiles parked nearby.