Stanley Plum Tree is another popular prune plum cultivar long used by gardeners in the Northeast where it was developed in New York in the early 1900’s. European freestone with dark purple skin and golden flesh.
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 like Brooks Plum for best crops.
Hardiness: Hardy to minus 30°F.
Bearing Age: 2-3 years after planting
Size at Maturity: 10-12 ft. in height.
Fruit Skin: Dark purple
Fruit Flesh: Golden
Bloom Time: March
Ripening Time: September
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