by Larry Hodgson September 10, 2017 2 Fruit trees and small fruits Gardening Harvesting Plant diseases Are Fruits From Diseased Plants Still Edible? Question: I have a plum tree severely affected by black knot disease, but it still produces a lot of plums.Continue Reading Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Like this:Like Loading...