Japanese bladdernut
Staphylea bumalda · Staphyleaceae
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around japanese bladdernut and prepare for winter.
ID card
- Common name
- Bladdernut, Pearl Tree
- Foliage
- Deciduous
- Blooming
- Spring (April-May)
- Adult size
- 2 to 3 m in height and width
- Growth
- Moderate
- Hardiness
- Hardy down to -15 °C
- Origin
- Japan, China, Korea
- Soil type
- Well-drained, fertile, slightly acidic to neutral
Care
Exposure
Plant your Staphylea bumalda in full sun or partial shade. A bright exposure promotes generous flowering and compact growth. Avoid overly shaded areas that would slow growth and fruiting.
Watering
Water regularly after planting, especially during the first year. Keep the soil moist but not waterlogged. Reduce watering in winter and increase it during dry summer periods. Mulching helps retain moisture.
Soil and potting mix
Prepare well-drained soil rich in organic matter and slightly acidic to neutral. Enrich the planting hole with mature compost. Overly chalky or compacted soil can hinder growth.
Pruning and training
Prune after flowering to balance the silhouette and open up the center of the shrub. Remove dead or poorly oriented branches. No severe pruning is necessary; the species naturally adopts a beautiful, airy form.
Fertilizer
An application of compost or balanced fertilizer in spring is sufficient. Avoid excess nitrogen, which would promote foliage at the expense of flowering. A late-winter application prepares the growing season well.
Health and pests
Staphylea bumalda is generally robust. Watch for scale insects and spider mites in dry conditions. Good air circulation limits fungal issues. Treat preventively if necessary without resorting to harsh products.
Did you know?
Staphylea bumalda is called the 'Pearl Tree' because of its graceful fruits resembling small translucent white bladders that hang from the shrub after flowering. Once prized for this remarkable ornamental effect in Asian gardens, it symbolizes quiet elegance and nature's fleeting beauty.
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.
Add this plant to my garden →Plants from the same family
- European bladdernutStaphylea pinnata
- American bladdernutStaphylea trifolia
- Staphylea japonicaStaphylea japonica
- GrapevineVitis vinifera
- CamelliaCamellia japonica
- Pedunculate oakQuercus robur
Tips generated and checked by Viridia — adapt them to your local climate.