Indian plum
Oemleria cerasiformis · Rosaceae
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around indian plum and prepare for winter.
ID card
- Foliage
- Deciduous
- Flowering
- Spring (March-April)
- Flowers
- White, lightly scented, in clusters
- Adult size
- 2 to 4 m tall, 1.5 to 2.5 m wide
- Growth
- Moderate
- Hardiness
- Hardy to around -15°C
- Origin
- Western North America (California, Oregon)
- Soil type
- Well-drained, slightly acidic to neutral
Care
Exposure
Oemleria prefers a sunny to partially shaded location. A minimum of 4 to 5 hours of direct sunlight daily promotes good flowering and regular fruiting. In very hot climates, light afternoon shade can help preserve the flowers.
Watering
Water regularly during the first year to establish the root system. Once established, the plant tolerates moderate drought. During growth and flowering periods, keep the soil lightly moist without creating waterlogging. Reduce watering in winter.
Soil
Plant in well-drained, fertile soil that is slightly acidic to neutral. Enrich the soil at planting time with well-decomposed compost. Oemleria adapts to various soil types but dislikes chronic waterlogging.
Pruning and training
Prune lightly after flowering to maintain a harmonious shape and remove dead or crossing wood. Avoid heavy pruning, which would weaken the following year's flowering. Annual cleaning of poorly oriented branches is generally sufficient.
Fertilizing
An annual application of compost or balanced organic fertilizer in spring is sufficient. In poor soil, a flowering shrub fertilizer can be applied before flowering. Avoid excess nitrogen, which would promote foliage at the expense of flowers.
Health and pests
Oemleria is generally robust and rarely affected by common diseases. Watch for scale insects and aphids in spring on young shoots. Good drainage and air circulation prevent most fungal problems.
Did you know?
Oemleria cerasiformis owes its scientific name to its flowers and fruits, which resemble those of the plum tree, even though it is not a true Prunus. Its blue-black drupes were once consumed by Indigenous peoples of the North American Pacific coast, who called them "Indian plum." This plant is now appreciated by amateur birdwatchers, as its fruits attract migratory birds.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
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Tips generated and checked by Viridia — adapt them to your local climate.