Rosaceous plants are fairly disease prone and it can be fairly hard to keep them healthy and clean in the landscape, especially without applying large quantities of fungicide. One of the more common diseases we see on apple, crabapple, and ornamental pear is fire blight, caused by Erwinia amylovora, that causes significant damage to susceptible…Read more about Black rot, stem canker, and frogeye, Oh My!: Black rot of Apple and Friends[Read More]