Black Spots On Siding From Mulch

The spots are about the size of the head of a pin and appear to be black or dark brown in color.

Black spots on siding from mulch.

This will buy you a year before the fungus reaches to the top of the new mulch. 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. 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. Use big pieces of pine bark or other bark mulch which are a less hospitable place for the fungus.

Its adhesion properties are legendary and the spots can be difficult or even impossible to remove without damaging the surface. Artillery fungus produce black tar like spots on vehicles and siding. There is some suggestion that artillery fungus in mulch such as cedar and pine bark nuggets may occur less frequently than hardwood. Replace wood mulch with landscape fabric and small stones.

Artillery fungus black spots on siding and vehicles. We have thousands of tiny black spots pin head size all over the siding of our house. Also the use of gravel or plastic mulch will not cause the formation of the spores. 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 2. Artillery fungus black tar spots on houses artillery fungus seeing black tar spots on the sides of your house or vehicles. Add a fresh layer of mulch.

Artillery fungus black spots on siding and vehicles. The mulch is being contaminated by artillery fungus also known as sphaeobolus stellatus. The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch. Some tell us it s from spiders.

Artillery fungus is a wood dwelling fungus commonly found in mulch. This common fungus is often found in bark mulch especially hardwood mulch too. To kill the spores in lighter areas cover the zone with black plastic and allow the sun to cook the spores out. By sandy feather penn state extension.

Plant a low maintenance groundcover in the area instead of using mulch. Save for later print.