In spring, a velvet-like green appears on branches. It’s likely black knot, which is a fungal disease that most frequently attacks plum and cherry trees. What is this black fungus on my tree trunk or branch?

Black knot disease can look different, depending on the stage it's in. Black Knot Fungus: What It Is and The Treatment That Gets Rid of ItĪbove, Cyndy’s tree appeared to have a white fungus, but don’t ignore your tree if that’s not exactly what you see. It is a white and hard growth in two different locations.”įind out which fruit trees get infected with this fungus and learn whether treatment or tree removal is the best option. from California asked, “It looks like my plum tree has a fungus growing on it, and I don't know how to treat it or if it will spread and I'll have to take the tree down. Not only does a fruit tree fungus spoil an appetite, but it also sparks all kinds of questions about tree health.Ĭyndy W.

What’s not so sweet? Spotting a fuzzy fungus as you reach for your tasty treat. There’s nothing quite like picking fresh fruit from trees and biting into it–savoring its sweetness.

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