When it is time for it to reproduce the fungus lives up to its name and shoots tiny spores in all directions.
Arterial fungus on siding.
The spore masses of the artillery fungus stick like super glue.
You can power wash them off of vinyl siding but such methods can be damaging to cars and wood siding.
If the spores are fresh sometimes soap and water with a scrub brush will remove a bit of the fungus.
There is no fungicide registered as an artillery fungus treatment.
Artillery fungus is a common fungus in north america.
The common fungus can be found in bark mulch and manure and has the ability to propel spores several feet giving the spots a splattered appearance.
The worst thing about this fungus is that it shoots spores up to 20 feet which often land on siding cars and anything else that surrounds the mulch.
Artillery fungus orients itself toward bright objects such as light colored siding windows or shiny automobiles parked nearby.
We have not found a good efficient way to get them off without leaving a stain or damaging the siding especially on old dry siding.
Its primary job is to decay dead wood.
The artillery fungus or shotgun fungus is a wood decay fungus that likes to live on moist landscape mulch.
These sticky black dots cling to vinyl siding like glue.
The fungi eject the sticky spore mass which can be blown by the wind as high as the second story of a house.
There is no recommended artillery fungus treatment.
In home gardens it often takes up residence in wood mulch.