Japanese plum
Prunus salicina
Santa Rosa
About this plant
Prunus salicina, commonly called Japanese plum, is a deciduous tree known for its sweet, juicy fruit that is popular for eating fresh or using in jams and desserts. The tree has attractive white blossoms in spring and glossy green leaves. It is valued both for its fruit and as an ornamental tree in gardens.
Taxonomy
- Genus
- Prunus
- Family
- Rosaceae
- Higher classification
- Rosales
- Plant type
- Tree
- Lifespan
- Perennial
Origin & Distribution
- Native region
- China, Japan
- Distribution
- Widely cultivated in temperate regions worldwide, especially in Japan, China, the United States, and parts of Europe.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 5–10 days
- Humidity
- Normal
- Minimum
- -20 °C
- Maximum
- 35 °C
- Optimal
- 18-27 °C
- USDA hardiness zones
- 5-9
- Soil pH
- 6.0-7.5
- Soil type
- well-draining loam
Watering. Water regularly during dry spells, especially when the tree is young or fruiting. Avoid waterlogging the soil.
Fertilizing. Fertilize in early spring with a balanced fertilizer to support healthy growth and fruit production. Avoid excessive nitrogen, which can reduce fruiting.
Japanese plum trees are moderately easy to care for but need full sun and well-drained soil to thrive. They require regular watering during dry periods and benefit from annual pruning to maintain shape and encourage fruit production. Watch for common pests and diseases, and provide protection during cold winters.
Propagation
- Propagation methods
- Seeds, Cuttings, Grafting
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
White spring flowers, glossy green leaves, and colorful fruit ranging from red to purple.
Toxicity & Safety
- Toxic to humans
- Mildly toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Not considered a weed
The fruit is safe to eat, but seeds and pits contain compounds that can be harmful if ingested in large amounts. Keep away from children and pets.
Allergy information
- Allergy risk
- Moderate
- Allergy triggers
- Pollen, Skin contact
- Pollen level
- Moderate
Prunus salicina, also known as Japanese plum, produces pollen that can cause mild allergic reactions in sensitive individuals, especially during its flowering season. People with pollen allergies might experience sneezing or itchy eyes. To reduce exposure, avoid being near the tree when it is blooming and keep windows closed during high pollen times.
Common problems
Common problems include fungal diseases like brown rot, pests such as aphids and plum curculio, and issues from overwatering or poor drainage leading to root rot.
Uses
Primarily grown for its edible fruit, which can be eaten fresh or used in cooking and preserves. Also planted as an ornamental tree for its attractive flowers.
Notes
Prune in late winter to early spring before new growth starts. Protect young trees from late frosts. Japanese plums may require cross-pollination with another compatible variety for good fruit set.