



Crown of thorns
கிறிஸ்து முள்യൂഫോബിയইউফরবিয়া মিলি
Euphorbia milii Des Moul.
- light
- Full sun
- water
- Little
- tall
- 1.2 m
- wide
- 71 cm
Euphorbiaceae
Also called Crown-of-Thorns, Christ plant, Christplant
Formerly Euphorbia bojeri, Euphorbia breonii, Sterigmanthe bojeri, Tumalis bojeri
When it flowers
Flowers all year in the tropics.
Read from iNaturalist photographs of it in flower. A month counts at 50% of the best month's flowering share (smoothed over three months) and 10% of its flowering count, from at least 100 flowering observations in the band.
If a child, a pet or anyone may have eaten a plant, contact a doctor or vet straight away, or call the National Poisons Information Centre (AIIMS, New Delhi) on 1800 116 117, free and open 24 hours.
Something wrong with it?About it
- Grows as
- Semisucculent subshrub or shrubKew's checklist, not yet checked
- Climate
- Desert or dry shrublandKew's checklist, not yet checked
- Wild in
- MadagascarKew's checklist, not yet checked
- Light
- Full sun (6 h or more)Read from RHS and NC State Extension, checked by a majority of its sourcesBacked by both sources
- Height
- 99 cm to 1.5 mRead from RHS and NC State Extension, checked by a majority of its sourcesBacked by both sources. Sources differ: RHS 1–1.5 m; NC State Extension 3–6 ft
- Spread
- 51 cm to 91 cmRead from RHS and NC State Extension, checked by a majority of its sourcesBacked by both sources. Sources differ: RHS 0.5–1 m; NC State Extension 1.5–3 ft
- Water
- Little: takes droughtRead from NC State Extension, one source
- Flowers
- Yellow, redRead from RHS and NC State Extension, checked by a majority of its sourcesBacked by both sources. Sources differ: RHS red, yellow; NC State Extension green, orange, pink, red, white, yellow
- Coldest it survives
- 1.7 °C (USDA zone 10b)Read from RHS and NC State Extension, checked: the middle of what its sources sayHalfway between its 2 sources, which differ. Sources differ: RHS 10 °C; NC State Extension -6.7 °C
Not known yet: heat, hottest it survives.
In other languages (12)
- German
- Christusdorn
- Spanish
- corona de Cristo, Tú y Yo, corona de espinas
- Chinese
- 虎刺梅, 鐵海棠, 麒麟花
- Portuguese
- Coroa-de-Cristo, martírios, bem-casados
- French
- Épine du Christ, Couronne d'épines, couronne du Christ
- Estonian
- särav piimalill
- Croatian
- Kristov trn
- Czech
- pryšec zářivý, trnová koruna
- Russian
- Молочай Милиуса, Молочай прекрасный
- Indonesian
- Kaktus Pakis Giwang, Mahkota Duri
- Greek
- Αγκάθι του Χριστού
- Chinese (China)
- 虎刺梅, 铁海棠
Where this comes from
- iNaturalist, read 2026-10-24, CC0-1.0 (observation counts)
- Wikidata, read 2026-10-26, CC0-1.0
- Kew's checklist, read 2026-10-24, CC-BY-4.0
- RHS, read 2026-10-25, fact, cited
- NC State Extension Plant Toolbox, read 2026-10-25, fact, cited
- Wikimedia Commons, read 2026-10-24, CC BY-SA 3.0
- iNaturalist, read 2026-10-25, CC BY
- iNaturalist, read 2026-10-25, CC0
- iNaturalist, read 2026-10-25, CC BY
- 3D model: Euphorbia milii (built for Vanagrha) by Vanagrha, own
A fact “checked by a majority of its sources” was settled by a vote of the pages it was read from, not by a person reading it; one marked “one source” rests on that page alone. Anything else not marked checked has not been checked yet. Where nothing is known, the page says so rather than guess.