Princess Kay Plum
| Scientific name | Prunus nigra 'Princess Kay' |
| Common name | Princess Kay Plum |
| Type | Trees |
| Variety | Deciduous |
| USDA Zone hardiness | 2a - 6b |
| Exposure | Full sun |
| Height | 10 to 15' |
| Spread | 6 to 10' |
| Scientific name | Prunus nigra 'Princess Kay' |
| Common name | Princess Kay Plum |
| Type | Trees |
| Variety | Deciduous |
| USDA Zone hardiness | 2a - 6b |
| Exposure | Full sun |
| Height | 10 to 15' |
| Spread | 6 to 10' |
Double flowered selection was discovered in the wild in Itasca County, MN. Blooms freely with showy white flowers in early May that offset the dark bark. Young trees have prominent lenticels which complement the black bark adding winter interest.