Euphorbia milii (Crown of Thorns)

Botanical & Common Names
- Botanical name: Euphorbia milii
- Common names: Crown of Thorns

Background & Origin
Euphorbia milii, commonly called the Crown of Thorns, is a thorny succulent shrub native to Madagascar. This plant features thick green leaves growing from stout, spiny branches, and produces small yellow flowers surrounded by bright red bracts. It is believed to have been introduced to the Middle East centuries ago and is historically associated with the crown of thorns worn by Jesus, giving it its evocative common name. Its combination of bold structure, thorny texture, and vivid flowers makes it both a visually striking and culturally significant plant for indoor or outdoor collections.

Care Level
- Care level: Easy
- Suitable for beginners: Yes!

What It Loves
- Bright warm spot
- Letting the compost dry out

What It Dislikes
- Overwatering or sitting in soggy soil
- Dark spots will cause legginess

Best Rooms for This Plant
- Bedroom
- Living room
- Office
- Conservatory

Growth Potential
- Typical height indoors: 90-180 cm in height
- Typical spread: Up to 30-90 cm wide
- Growth rate: Slow growing
- Pruning required: Occasional to remove dead leaves or flowers

Is This Plant Right for You?
This plant is a great choice if you:
- Love unusual, sculptural succulents
- Enjoy, conversation-starting plants

Light
- Best light: Bright warm spot with some direct sunlight
- Avoid: dark shady spot

Watering
- Frequency: Water when soil is completely dry,
- Seasonal note: Reduce watering in winter when growth slows to almost none.

Humidity
- Prefers: No humidity
- Extra humidity helpful?: These plants are native to arid conditions and do not require humidity.

Feeding
- Feed with: A balanced houseplant fertiliser
- Frequency: Once or twice during growing season during spring and summer. No feeding is needed during autumn and winter.

Toxicity
- Pet safe: No
- Notes: Keep out of reach of pets and small children to avoid damage.

Repotting
- How often: Once a year
- Signs it’s needed: Roots growing out of the drainage holes, slower growth, or soil drying very quickly. Choose a pot only slightly larger than the current one to avoid overwatering.