Mount Royal E. Plum/Marianna 2624
In August, Mt. Royal sets abundant clusters of medium size round blue plums with yellow flesh. The fruit tree is self fertile and produces huge crops excellent for fresh eating, canning or freezing Developed in Quebec prior to 1903 it thrives in USDA Zones 4-8 and is the hardiest tested European plums. A heavy annual producer. Fruit ripens mid-to-late August.