Mt. Royal Plum is a beautifully delicious plum with deep blue skin and yellow flesh. Flavor is very rich and fruits ripen mid season. Plants are also exceptionally hardy.
Latin Name: Prunus x domestica
Site and Soil: Plums like 1/2 day to full sun and well-drained soil.
Rootstock Description: A semi-dwarf rootstock for Plums and other stone fruits, Marianna produces trees 10′-12′ in height or less.
Pollination Requirements: Partially self-fertile. Plant with another European variety, Brooks Plum for cross pollination.
Hardiness: Hardy to minus 30° F.
Bearing Age: 2-3 years after planting
Size at Maturity: 10-12 ft. in height.
Taste: Sweet, very rich
Fruit Skin: Deep Blue
Fruit Flesh: Yellow
Bloom Time: Late March
Ripening Time: August
Yield: 50+ lbs.
Pests & Diseases: Our plums are not bothered by pests. Bacterial Canker can occasionally damage trunks or branches. Symptoms of this disease are exudations of amber-colored sap. Spraying lime-sulfur or copper in the fall and early spring can help control Bacterial Canker.
USDA Zone: 4-8