Others have said it s a fungus from mulch.
Dots in my sidings.
It seems they are only on the siding above my mulch beds.
I am getting small dark spots on windows and the white siding of my house.
By sandy feather penn state extension q.
This is the spot i ll dust most often for pests like scorpions or occasional roaches for ants i most often use a non repellant spray such as arilon termidor or other and don t even worry about getting a product up and under.
Also known as artillery or cannonball fungus sphaerobolus it uses internal water pressure to forcefully fire its spores similar to seeds up to 20 feet away the fungus sets its sights on bright areas so that means it will aim for any pale surface that reflects light such as the siding on your house.
Store bought cleaners such as windex will usually do the job for these kinds of spots but if you want to make your own chemical free solution you can use a natural mixture of.
The spots are about the size of the head of a pin and appear to be black or.
It is true that sun can fade vinyl siding.
They are hard and when you pick them off they leave a small brown stain.
But sun damaged siding diminishes gradually and evenly not in splotches.
Neither theory in my opinion stands up to logic.
The vinyl siding institute yes there really is such an organization offers some helpful and specific tips for dealing with stubborn moldy spots on your siding.
We have these small black spots that look like specks of tar all over our white vinyl siding of our house.
They are even as high up as my gutters.
It s on the porch my windows but it is worse on the siding.
Siding is purposely put up loose for expansion and contraction and so your duster tip or injection straw usually fit nicely.
I have black spots all over my vinyl siding thousands of them about the size of a ballpoint pen tip.
It goes all the way up to my second story windows and is even under my soffit and on my gutters.
We have thousands of tiny black spots pin head size all over the siding of our house.