PlantFun
Plant Needs
Sunlight
Full sun to partial shade; tolerates open woodland conditions, with bright indirect light suitable for potted indoor cultivation
Watering
Water deeply when the top 5 cm of soil is dry; drought-tolerant once established, avoid waterlogging
Temperature
Hardy to USDA zones 6–9; tolerates mild winter frost and summer heat up to 35°C
Characteristics
- Leaf: Elliptic to obovate, 3–7 cm long, serrated margins, glossy green turning reddish-purple in fall
- Flower: Umbel clusters of 2–5 white, 5-petaled fragrant flowers
- Fruit: Small round yellow to red plums, 1–2 cm diameter with tart flesh
- Stem: Gray-brown bark with lenticels; mature specimens have thorny branches
Care Guide
Watering
Maintain even moisture during fruit development; water regularly during dry spells
Fertilization
Apply balanced slow-release fertilizer once before bloom. Use fertilizer with moderate nitrogen to support flower and fruit production
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the base of the tree to boost soil calcium levelsPruning
- Remove dead, diseased, or crossing branches in late winter before new growth emerges
- Thin overcrowded stems to improve air circulation and increase fruit production
- Trim thorny lower branches to create a more accessible garden specimen
- Remove suckers from the base to maintain a single-trunk tree form if desired
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA: Toxic; ingestion of leaves, seeds, or stems can release cyanide, causing systemic poisoning
Humans: Flesh of plums is safe for human consumption; seeds, leaves, and stems contain cyanogenic glycosides that release toxic cyanide if ingested in large quantities
Garden Uses & Culture
Culture: N/A
Usage: Ornamental flowering tree; tart plums used for jams, jellies, and preserves
