Euphorbia Inermis (The Green Crown Succulent)

Euphorbia Inermis Image

Plants are well known for their physical features and of course, we understand the admiration for such beauty. But aside from that, having plants around you also has other mental, emotional, and physical benefits. Knowing what you are looking for in a plant also helps identify if it is a perfect match for you. For this article, we will get to know more about a specific type of succulent called Euphorbia Inermis. Reading this article better understanding the plant’s care, origin, and propagation.

  • Other Names: Medusa’s Head, Green Crown.
  • Sunlight: leave the plant under the sun for at least 5 to 8 hours a day.
  • Watering: minimum water use and avoid overwatering.
  • Temperature: keep it in a warm area.
  • Soil: it is advisable to use well-draining soil.
  • Growth Season: Spring/Summer.
  • Propagation: propagated from seeds and cuttings.
  • Pot: make sure that you are using a proper pot with enough drainage holes.


Euphorbia Inermis is native to South Africa, particularly in Cape Province and Eastern Cape.

Physical Description of Euphorbia Inermis

This type of plant is caudex-forming. It is bushy and has a lot of lateral branches from its mother plant. The branches are long, snake-shaped, and resemble the head of Medusa. Because of this, this Euphorbia Inermis is also commonly known as “Medusa’s Head” or “Green Crown”. The stem has bright green color and white spots used to hold leaves. This plant can grow up to 50 cm in diameter and about 25 cm long. It blooms from spring to summer with small creamy white Ciathya. The flowers look like white crystals and clusters are exquisite. These flowers are usually located at the end of each stem and have a strong fragrance. Like all succulents under the Euphorbia genus, Euphorbia Inermis produces a white milky poisonous sap called latex.

Pests and Diseases

Euphorbia Inermis is quite resistant to any serious pests or diseases. An important reminder for this type of plant is to pay attention to its roots. Make sure that it prevents root rot from overwatering. Overwatered succulents usually do not recover and eventually die.

Ideal Sunlight

This type of plant is easy to cultivate. It is best to leave the plant under the sun for at least 5 to 8 hours a day. Although full and direct sunlight is recommended, avoid the intense afternoon sun. The plant should have some protective shade if placed outdoors.

Type of Soil

For your Euphorbia Inermis to thrive faster, it is advisable to use well-draining soil. You may also opt to buy cacti or succulent soil mixture at your local garden center. However, if you wanted to create your own mixture it is also very easy to accomplish. Simply mix potting soil with pumice or sand, preferably at 50% ratio to ensure that the mixture had proper drainage. You may also mix your potting soil with clay and loam to keep it porous. Using the right type of soil is crucial to the growth of your succulents.


Euphorbia Inermis cannot tolerate temperatures below 10 degrees Celsius. If you live in areas that experience this, it is advisable to keep your plant indoors. Minimum cold hardiness is at zones 20 to 25 degrees Fahrenheit.

Watering and Pot Requirements

As a crucial element for your Euphorbia Inermis, make sure that you are using a proper pot with enough drainage holes. This will allow the water to flow continuously and avoid overwatering. You have to make sure that the roots are not soaked in water for too long. You may water the plant regularly every 7 days from March to November, or during its growing seasons. To know when is the perfect time to water this plant, check if the soil is completely dry. During the winter season, it is advisable to avoid watering this plant.

Feeding Euphorbia Inermis

Feeding Euphorbia Inermis with fertilizer is not required. However, if you want your plant to flourish, you may feed it once a month during its growing season only. Same with watering, avoid feeding your plant with fertilizer during winter or its dormant season.


Once you notice your Euphorbia Inermis being too big for its pot, you may now repot your plant in the broader pot with a 2 cm allowance. This will allow the plant to thrive for a long time in that new pot. It is advisable to do the repotting during the early growing season. As a reminder when handling Euphorbia succulents, wearing your gloves is necessary. This is to avoid making contact with the latex this type of plant produces.

ALSO READ: How To Care For The Crested Green Coral Succulent ‘Euphorbia Flanaganii’

Euphorbia Inermis Propagation

This plant can be propagated in two ways. The first is through seeds and the second is through cuttings. As we already know before going into the details, propagation through seeds takes patience and more time. We listed down the step-by-step way for both methods for your easy reference.

Propagation through seeds

  • Like most succulents from the Euphorbia genus, its fruit turns a slight 3-angled capsule that explodes when ripe
  • The fruit shoots away from the seeds it contains. These seeds are small, round, and light. It can reach up to a few meters away and usually have a uniform spread
  • If you were to manually propagate through seeds, sow enough seeds in a sandy loam soil
  • You may ensure to keep it in a place with a high level of humidity

Propagation through cuttings

  • You may opt to use the offsets that grow at the bottom part of the plant
  • Use clean scissors or a knife to cut the offset as close as possible to the base
  • Let the cuttings dry for 2 to 3 days and for these to calloused
  • Once your cuttings are fully dry, you may now plant them on a well-draining soil mixture
  • It is advisable to dip your cuttings in a rooting hormone mixture in order to boost the root development
  • To promote the production of offsets, you can make a cut at the base of each branch

Our Take on Euphorbia Inermis

We hope that through this article, you can learn more about Euphorbia Inermis. This exciting type of plant will add character to any space. Its beautiful tiny and crystal-like flowers can surely catch your guests’ attention. As we go through the proper care, we hope you understand the work needed by having succulents at home. May you find the perfect succulent for you.

Succulent City chief editor


Succulent City

Hey everyone! Welcome to Succulent City! We are all about succulents, cacti, and a bit about air plants. Ten years back, in 2013, we began the journey with succulents. It started as a simple hobby, crafting and selling charming succulent-themed pins and decorations. But as time passed, our fascination with these remarkable plants grew, and we gained extensive knowledge about them. Therefore, Succulent City is the blog as you see it is now. Enjoy your visit and happly planting!

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Posted in Succulents