Title: Black Knot killing plum tree I need to cut my plum tree down, because...
Title: Black Knot killing plum tree I need to cut my plum tree down, because it is infested with black knot. Can I plant a new tree in the same place where the plum tree was? And what do I need to do to the soil before planting the new tree? The new tree will be a plum tree also but it will not bear fruit. The old tree gave fruit. Thaks in advance... I
Even if the stump is removed, a replacement tree should not be planted directly into the same hole. Plant the new tree a few feet away from the where the original tree was planted. You do not have to do anything specific to the soil.
See our Website for more information on planting trees and maintenance after planting. https://extension.umd.edu/hgic/trees-and-shrubs/selection-purchasing-planting-and-care
An ornamental plum tree can be susceptible to black knot too. They are also not that long lived. If you are are growing an ornamental tree for flowers only, consider an ornamental cherry such as 'Yoshino' or a crape myrtle.