Black Spots On Siding From Mulch

And of course the black spots show up better on white surfaces so they are noticed more easily.

Black spots on siding from mulch.

Some tell us it s from spiders. There is some suggestion that artillery fungus in mulch such as cedar and pine bark nuggets may occur less frequently than hardwood. We have thousands of tiny black spots pin head size all over the siding of our house. We have these small black spots that look like specks of tar all over our white vinyl siding of our house.

Its adhesion properties are legendary and the spots can be difficult or even impossible to remove without damaging the surface. Artillery fungus black spots on siding and vehicles. 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 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.

This is damaging your siding. April 30 2019 at 11 07 am edt updated april. This common fungus is often found in bark mulch especially hardwood mulch too. Black spots on car house could be from a mulch fungus you may have seen these little spots and there s a weird explanation for how they got there.

Artillery fungus black tar spots on houses artillery fungus seeing black tar spots on the sides of your house or vehicles. By sandy feather penn state extension. The spots are about the size of the head of a pin and appear to be black or dark brown in color. Use big pieces of pine bark or other bark mulch which are a less hospitable place for the fungus.

Artillery fungus produce black tar like spots on vehicles and siding. In nature the artillery fungus shoots its spores towards sunlight to aid in dispersal. I am getting small dark spots on windows and the white siding of my house. Others have said it s a fungus from mulch.

These are microscopic flowers that shoot tar like substance up the 20 feet. The mulch is being contaminated by artillery fungus also known as sphaeobolus stellatus. Plant a low maintenance groundcover in the area instead of using mulch. Artillery fungus is a wood dwelling fungus commonly found in mulch.

Replace wood mulch with landscape fabric and small stones. Save for later print. This will buy you a year before the fungus reaches to the top of the new mulch.