Euphorbia milii | How to grow and care Crown of Thorns | Growing Crown of Thorns

Euphorbia milii | How to grow and care Crown of Thorns | Growing Crown of Thorns

Euphorbia milii plants

Euphorbia milii is full of thorns, a low-growing evergreen Succulent plant. Which is native to Madagascar. It is found in Kerala, India. This is a nice houseplant for winter because you can put the plant in a container with a sunny window. learn How to grow Euphorbia milii, Crown of thorns plants care, Euphorbia milii plants Pruning, Propagation of Euphorbia milii, and more about this plant.

Floral flowers, flowers like pearls, and lush green leaves seem quite attractive, this is the best option for outdoor gardening. It has also developed many hybrids, which have a large variety of flowers, because of which it has become a very popular plant today.

Crown of thorns plants has been observed in many houses that the crown of thorns is growing inside, you can plant it as an indoor plant in your house. It grows easily because it adopts a normal temperature and dry atmosphere well. This plant is easily survived without water and fertilizer.

The Thai Hybrid Plant is the highest 3 feet high, you can trim it and make it smaller. There are innumerable varieties that are 1 to 2 feet long. This evergreen plant grows slowly and the full sun likes, Zone 10 is best for this.

Euphorbia milii


Botanical Name                   Euphorbia milii

Plant type                             Flowering Shrub

Flower Color                         Red, yellow, salmon and creamy white

Sun                                         Full sun/ part sun

Zone                                       10

Watering                                When the soil dry

How to grow Euphorbia milii plants

Euphorbia milii is a cactus plant. It grows well in the poor and well-drained soil and happy with full sun, though it does tolerate some shade. 3 to 4 hours of sunlight is sufficient. Crown of thorns is the best choice for marine locations,  so it is good for Salty Soil.  If you grow indoors, then choose a place near the sunny window where the sunlight comes up maximum. Although it is a tolerant plant, its leaves require regular fertilizer and water. Check the appropriate amount of fertilizer nutrients. Keep it in the best position for proper care, where there is enough sunlight, the indoor temperature is 65 to 75 degrees Fahrenheit better for this.


The late spring to early fall when Euphorbia milii is actively growing,  it requires water. Reduce the amount of water when the plant stops new leaves and flowers, but remember the soil not dry completely,  take care to avoid drying the soil completely.


Granular fertilizer once a 2-3 months crown of thorns plant is essential to plant health. Use high phosphorus and low nitrogen when new leaves and flowers to come out.

Euphorbia milii

Crown of thorns plants Pruning 

  • It is a thorny bush, So while pruning wear gloves. When the crown of thorn is mature a little pruning is helpful in developing the plant.
  • At the end of the growing season, to encourage new growth in the spring season to remove some old leaves and branches.
  • Clear away dead fallen leaves and dead flowers immediately remove it, Because of them that spreads the moisture in soil due to the fungal disease will be allowed, so remove it.
  • If you see any brown leaves on the plant stem or cut it immediately, it can spread rot.
  • If you grow to plant the indoors, Then immediately placed in full sun, they prefer full sunlight. it can be placed in partial shade, where the bright sunlight coming.

Crown of thorns plants care

Well drainage

If you grow this shrub, then it needs great care. Euphorbia Milii should have excellent drainage, otherwise, plants will develop root rot and fungal diseases. Before planting, create a suitable plantation area for drainage. If you use poor quality soil then for the modification of soil, add compost or peat moss.


When the soil is completely dried, irrigation is required. The crown of the thorn plant occurs without leaves, if it gives water regularly, then it comes with leaves.


Granular fertilizer 3 times a year (spring, summer, and fall), it is necessary for the development. If you insert food into bone meal encourages it to bloom.

Propagation of Euphorbia milii

Crown of Thorn of 3 to 4 inches long cutting stem can be planted in the spring and early summer, but remember, there is a sharp thorn in the plant, thus cutting wear gloves. Euphorbia Milii should be immersed in cold water immediately after cutting and should be sprayed with cold water so that the mother’s plant can prevent milk from flowing. Let the cutting of the plant be dry for a few days, then plant it.

Pest problem

Crown of thorns plants is insect resistant. However, the mealybug and aphids are the main pests who come to disturb the plant.

Read also: How to grow and care Daylily. How to Grow Okra in pots. Growing and caring Dahlia plants.  Growing Watermelon in pots. Dwarf Papaya’s growing and caring tips. Peonies growing and caring in containers. Edible flowers growing and caring tips. Blazing stars growing in containers. Colchicum growing and caring easy steps. Ivy Gourd growing and caring easy steps. 11 Best Winter Flowers for your garden.

Happy gardening.

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Euphorbia milii | Crown of thorns plants


39 thoughts on “Euphorbia milii | How to grow and care Crown of Thorns | Growing Crown of Thorns

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