Black Spots On Siding From Mulch

The mulch is being contaminated by artillery fungus also known as sphaeobolus stellatus.

Black spots on siding from mulch.

Its adhesion properties are legendary and the spots can be difficult or even impossible to remove without damaging the surface. In the absence of direct sunlight it shoots the spores at highly reflective surfaces such as white house siding. Replace wood mulch with landscape fabric and small stones. Save for later print.

This is damaging your siding. Artillery fungus is a wood dwelling fungus commonly found in mulch. We have thousands of tiny black spots pin head size all over the siding of our house. April 30 2019 at 11 07 am edt updated april.

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. Add a fresh layer of mulch. Others have said it s a fungus from mulch. And of course the black spots show up better on white surfaces so they are noticed more easily.

We have these small black spots that look like specks of tar all over our white vinyl siding of our house. Artillery fungus black spots on siding and vehicles. Use big pieces of pine bark or other bark mulch which are a less hospitable place for the fungus. I am getting small dark spots on windows and the white siding of my house.

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. In nature the artillery fungus shoots its spores towards sunlight to aid in dispersal. This will buy you a year before the fungus reaches to the top of the new mulch. There is some suggestion that artillery fungus in mulch such as cedar and pine bark nuggets may occur less frequently than hardwood.

Artillery fungus black spots on siding and vehicles. This common fungus is often found in bark mulch especially hardwood mulch too. Artillery fungus black tar spots on houses artillery fungus seeing black tar spots on the sides of your house or vehicles. Plant a low maintenance groundcover in the area instead of using mulch.

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. By sandy feather penn state extension. Some tell us it s from spiders.