
Japanese spindletree
Euonymus japonicus · Celastraceae
📷 Wikimedia Commons · CC BY-SA 3.0
⚠️ Baies et feuilles contiennent alcaloïdes toxiques. Ingestion : troubles digestifs, nausées chez chiens/chats/enfants; danger modéré.
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around japanese spindletree and prepare for winter.
ID card
- Foliage
- Evergreen, glossy dark green
- Blooming
- May-June, discreet whitish-green flowers
- Adult size
- 1.5 m tall, compact and rounded form
- Growth
- Moderate
- Hardiness
- Hardy to around -10°C
- Origin
- Japan and East Asian regions
- Soil type
- Well-draining, neutral to slightly acidic
- Toxicity
- Toxic to domestic animals
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Euonymus japonicus loves partial shade (less leaf scorch) and fears winter waterlogging. Prune lightly at the end of winter to densify growth.
The common mistake
Full sun combined with too much water causes leaf spots and weak vigour.
The pro's trick
If growing it as a hedge, pinch young shoots twice in May-June (before the proper pruning in August).
Seasonal watch
Damp autumn: watch for scab (black spots) or rust if air circulation is poor.
Care
Watering
Keep the soil regularly moist during active growth, without allowing water to stagnate. In winter, reduce watering but don't let the substrate dry out completely. Mulching helps retain moisture and regulate soil temperature.
Light exposure
Japanese spindle tree prefers a semi-shaded location with some indirect light. It also tolerates moderate sun, but in very hot climates, partial shade prevents leaf burn. Avoid overly dark spots, which slow its growth.
Pruning and maintenance
Prune lightly in early spring to maintain a compact, dense shape. Remove dead or damaged branches as soon as they appear. Regular pruning encourages branching and intensifies the plant's natural bushy form.
Fertilizer and nutrition
Apply balanced fertilizer once or twice monthly in spring and summer. Reduce or stop feeding in autumn and winter. An annual addition of well-rotted compost enriches the soil gently and sustainably.
Soil preparation and quality
Use rich but well-draining substrate, made of quality potting soil and mineral matter (perlite, coarse sand). Avoid overly compact or waterlogged soils. Good drainage prevents root rot in case of excess moisture.
Pests and diseases
Watch for mealybugs and spider mites, especially indoors or in dry air. Powdery mildew can appear with stagnant humidity; improve air circulation and reduce leaf moisture. Regularly check leaf undersides for early detection.
Did you know?
The Japanese spindle tree owes its French common name to traditional charcoal sticks (fusain): the wood of certain Euonymus species was once used to make this artistic material. In Asia, this vigorous shrub symbolizes protection and prosperity, hence its frequent use in ornamental Japanese gardens for centuries.
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
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Tips generated and checked by Viridia — adapt them to your local climate.