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Euphorbia milii · Euphorbiaceae

Crown of Thorns

⚠️ Not safe for petsIt is a perennial plant, remaining green and flowering throughout the year.30 to 60 cm
Full sunLow; allow soil to dry between waterings.EasyDoes not tolerate temperatures below 10 degrees Celsius.

Description & origin

The Crown of Thorns is a succulent plant known for its red bracts and small yellow flowers. It is ideal for pot or garden cultivation, being hardy and easy to care for. This plant is popular for its ability to bloom year-round under suitable conditions.

Size

Can reach up to 60 cm in height and 50 cm in width in domestic cultivation.

Foliage

Evergreen foliage that remains green throughout the year.

Flowering

Blooms year-round with colorful bracts and small flowers.

Detailed care

Light

Prefers full sun for optimal growth and abundant flowering.

Soil

Needs well-drained soil, ideally a cactus mix.

Watering

Requires moderate watering, allowing the soil to dry between waterings.

Temperature

Keep in temperatures above 10 degrees Celsius to avoid damage.

Fertilising

Fertilize monthly during spring and summer with a balanced fertilizer.

Repotting

Repot every two years or when roots fill the pot.

Pruning

Prune occasionally to remove dead or damaged branches.

Propagation

Easily propagated by stem cuttings in spring.

Common problems

Root rot

Occurs due to overwatering and poor soil drainage.

Mealybugs

Insects that feed on sap, causing damage to leaves.

Sunburn

Leaves may burn if exposed to intense sun without acclimation.

Uses & curiosities

In the garden

  • Succulent gardens
  • Rock gardens
  • Decorative pots

Other uses

Popular as an indoor plant and gift due to its continuous flowering.

Did you know…

Native to Madagascar, the Crown of Thorns is often associated with religious symbolism due to its thorny appearance.