Plants
Spindle
Euonymus · Celastraceae
Two garden worlds hide behind the name spindle: the evergreen, often variegated creeping euonymus that provide year-round structure as ground cover, bed edging and mini hedge, and the native spindle tree with its unmistakable pink-orange fruits and carmine autumn colour. Both are robust and easy-going — and both are toxic, which is worth knowing when choosing a spot.

- Light
- Sun to shade; variegated foliage needs light for strong markings.
- Watering
- Moderate to low: evenly fresh while establishing, frugal afterwards.
- Care level
- Easy
- Botanical
- Euonymus
The evergreen forms derive from Euonymus fortunei and Euonymus japonicus. Classics are „Emerald Gaiety“ with white-edged and „Emerald Gold“ with yellow-edged foliage — compact, hardy all-rounders that creep to cover ground, even climb against walls and can be clipped into shape like box. Precisely as a box substitute they have gained enormously in recent years, since box tree moth and blight cannot touch them.
The native spindle tree, by contrast, is a deciduous large shrub for informal hedges and natural gardens. Its fruits — pink capsules from which orange seed coats dangle — recall the birettas of Catholic clergy and are among the most striking sights native shrubs offer in October. Robins and other birds eat the seeds without harm.
In floristry both are in demand: variegated euonymus branches are a long-lasting, bright cut green for bouquets and arrangements, traded year-round at the auction. Fruiting spindle branches set spectacular accents in autumn — though we deliberately do not work them into pieces for households with small children.
For this is the dark side: all Euonymus species are toxic, the European spindle most of all. Its seeds contain cardio-active steroid glycosides and alkaloids; what makes them dangerous is that symptoms often only set in many hours after ingestion. The colourful fruits hold a great attraction for children — the spindle tree has no place in gardens where small children play unsupervised.
In cultivation the evergreens are completely uncomplicated: they grow in sun and shade, in any normal soil, tolerate clipping at any time of year and even urban climate and root pressure. Variegated varieties need light to keep their markings and occasionally throw plain green shoots in shade, which are simply cut out.
Is Spindle toxic to children and pets?
- Children
- Toxic
- Cats
- Toxic
- Dogs
- Toxic
All parts of all Euonymus species are toxic, especially the seeds of the European spindle with cardio-active glycosides and alkaloids. The colourful fruits are tempting for children; even a few seeds can cause serious poisoning. Unsuitable for households with toddlers and nibbling pets.
Typical symptoms: Often only after hours: nausea, severe vomiting, abdominal cramps and diarrhoea; with larger amounts circulatory problems and cardiac arrhythmia. If ingestion of spindle seeds is suspected, seek medical advice or call poison control.
In an emergency:call the German poison control centre in Bonn on +49 228 19240 (24/7) — for pets, contact an emergency vet directly. This information does not replace medical or veterinary advice.
Overview: toxic & non-toxic plants for cats, dogs and children
Care
- 01Sunny to shady position; variegated varieties colour best in a bright spot.
- 02Any normal garden soil will do; only avoid permanent waterlogging.
- 03Water regularly in the planting year; very frugal once established.
- 04Shaping is possible almost year-round; cut plain green shoots out of variegated varieties.
- 05Plant creeping forms as ground cover at five to seven plants per square metre.
- 06Do not plant fruiting spindle trees within reach of small children; wash hands after working on them.
Frequently asked
- How toxic is spindle really?
- All species are toxic, but the range is wide. With the evergreen creeping forms, nibbling usually causes only gastrointestinal upset. The native spindle tree is serious: its seeds contain cardio-active substances, and treacherously the symptoms often only appear after twelve hours or more. If ingestion is suspected, always contact poison control.
- Is euonymus a good box substitute?
- Yes, one of the best. Small-leaved varieties such as „Microphyllus“ or compact fortunei forms can be clipped into balls and edges just like box, but are immune to box tree moth and box blight. They grow slightly looser than box, yet close into dense shapes with regular clipping.
- Does spindle lose its leaves in winter?
- The fortunei and japonicus varieties are evergreen and keep their foliage even in frost; some turn an attractive purple-red in winter. The native spindle tree, by contrast, is deciduous: it drops its leaves after glowing carmine autumn colour and then decorates with its fruit.
- Why does my variegated euonymus throw green shoots?
- That is a natural reversion to the green genotype, occurring mainly in shady positions. The plain green shoots are more vigorous and would take over the plant in time. Cut them out consistently right to the base and give the plant as bright a spot as possible.