Purple-leaf plum 'Nigra'

Prunus cerasifer 'Nigra'

The purple-flowered plum 'Nigra' (Prunus cerasifera 'Nigra') is an ornamental tree beloved by many gardeners for its attractive purple leaves and crimson flowers. Below are its growth characteristics, propagation methods, cultivation methods, garden uses, and information on major pests and diseases and control methods.

Growth Characteristics
- Leaf Color: Deep purple leaves stand out in spring and summer, turning red in autumn.
- Flowers: Flowers bloom in spring in various colors ranging from pink to light purple.
- Size: Mature trees grow to a height of approximately 4 to 6 meters and a width of 3 to 4 meters.
- Growth Rate: It is a relatively fast-growing tree, growing 30 to 60 cm per year in favorable conditions.

Propagation Methods
- Seed Propagation: Harvested seeds must be sown in autumn, and cold stratification is required.
- Grafting: Propagation via grafting in spring or summer is the most common method. Cultivation Method
- Soil: It thrives in well-drained soil and prefers slightly acidic soil.
- Sunlight: It grows well in areas with ample sunlight, but can also grow in partial shade.
- Watering: It requires sufficient watering when first planted, but it tolerates dry conditions well thereafter.

Garden Uses
- Due to its vibrant colors, the Japanese White Plum 'Nigra' is used for standalone planting or as a border plant, and it harmonizes well with other plants.

Important Pests and Control Methods
- Powdery Mildew: White powder may appear on the leaves. To prevent this, it is important to plant at appropriate intervals or ensure good ventilation.
- Pests: Pests such as aphids may occur. If detected early, it is recommended to control them using soapy water or natural insecticides.
- Branch Blight: Branches may dry out. In this case, diseased branches should be removed early.

We hope this information helps you successfully cultivate the Japanese White Plum 'Nigra' and utilize it beautifully in your garden.

Plant Type
Plant Family	Rosaceae
Height	4.5~6m
Spread	4.5~6m
Colors	pink
Bloom Period	March to May
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

Purple-flowered plum 'Thundercloud'
Prunus cerasifera 'Thundercloud'

Apricot tree 'Tilton'
Prunus armeniaca 'Tilton'