Everything About Growing Euphorbia Grantii

Last Updated: 11.03.2024

Euphorbia grantii is a unique and compact specimen that can be a great plant for small corners of homes. Here’s all about growing it.

Euphorbia grantii

Euphorbia grantii belongs to the Euphorbiaceae family and is native to Madagascar and can be found in other parts of Africa. The plant is commonly known as Grant’s Spurge or Medusa’s Head due to its distinctive appearance.

Euphorbia Grantii Information

It is a slow-growing perennial succulent growing up to 2-5 feet tall. The stems are thick and erect and have a dark green color. Euphorbia grantii produces numerous branches, which give it a bushy appearance. Its leaves are small and green, growing in clusters along the stems.

Like all Euphorbias, Euphorbia grantii contains a toxic milky sap for humans and animals. The sap can cause skin irritation and can be harmful if ingested. It is essential to wear gloves and protective clothing when handling the plant and to keep it out of reach of children and pets.

The plant is also used in traditional medicine to treat various ailments such as headaches, wounds, and skin infections.

How to Grow Euphorbia Grantii?


Here are the steps to grow Euphorbia grantii from seeds:

  • Start by preparing a well-draining soil mix. You can use a commercial cactus mix or create your own by mixing equal parts of sand, perlite, and peat moss.
  • Fill a seed tray or small pots with the soil mix, leaving about 1 cm of space at the top.
  • Sow Euphorbia grantii  seeds on the soil surface, spacing them about 1 cm apart. Press them into the soil, but do not cover them with soil.
  • Water the seeds gently using a spray bottle or a watering can with a fine nozzle. Be careful not to wash away the seeds.
  • Cover the seed tray or pots with a clear plastic bag or a sheet of plastic wrap to create a mini greenhouse. This will help to maintain humidity and temperature levels.
  • Place the seed tray or pots in a warm, bright location that receives indirect sunlight. Euphorbia grantii seeds require temperatures of around 20-25°C (68-77°F) to germinate, usually taking 1-2 weeks.
  • Once the seeds have germinated, remove the plastic cover and place the seedlings in a brighter location with direct sunlight for a few hours each day. Gradually increase the amount of direct sunlight the seedlings receive over time.

Requirements to Grow Euphorbia Grantii

Euphorbia grantii 2


Euphorbia grantii requires bright, indirect sunlight to grow and thrive. The plant can tolerate full sun in their natural habitat, but it’s better to avoid exposing it to direct sunlight, especially during the hottest parts of the day.

While growing indoors, place it near a window that receives plenty of natural light, but make sure to filter out the harsh sun rays.


The plant prefers well-draining, sandy soil. Avoid using heavy, clay soils that retain water, which can cause root rot and other fungal diseases. It’s best to use a commercial cactus mix, which contains a combination of sand, perlite, and peat moss. You can also mix soil with equal parts of sand, perlite, and peat moss.


Euphorbia grantii is a drought-resistant plant that can survive long periods without water. Water the plant only when the top soil dries out. Do not water it on a daily basis as it will cause root rot.


The plant prefers warm temperatures and can tolerate heat and drought. Ideal temperatures range between 20°C to 34°C during the day and around 10°C to 15°C at night. Euphorbia grantii is not cold-hardy; you should protect them from frost and freezing temperatures.

Euphorbia Grantii Care



Euphorbia grantii doesn’t require regular fertilization, but you can feed it occasionally during the growing season (Once in 4-6 weeks) with a balanced liquid fertilizer diluted to half strength. Avoid overfertilizing, which can cause the plant to grow too quickly and weaken.


They don’t require regular pruning, but you can remove dead, damaged, or diseased branches or leaves with a clean, sharp pair of pruning shears. Wear gloves when handling the plant, as the sap is toxic and can cause skin irritation.

Pest and Diseases

Euphorbia grantii is susceptible to mealybugs, spider mites, and scale insects, which can damage the plant by feeding on its sap. To prevent infestations, inspect the plant regularly and promptly treat pest problems with insecticidal soap or neem oil.

The plant can also develop root rot and other fungal diseases if exposed to excessive moisture or poorly-draining soil. Avoid overwatering and ensure that the soil is well-draining.

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Advantages of Euphorbia grantii

  • It is a low-maintenance plant that requires minimal care, making it an excellent choice for busy gardeners or those who are new to gardening.
  • Euphorbia grantii is highly drought-tolerant and can survive long periods without water. This makes it ideal for growing in arid or semi-arid regions with scarce water.
  • The plant has a unique and distinctive appearance, with upright stems and attractive, glossy leaves. It adds a touch of interest and drama to any garden or indoor space.
  • Euphorbia grantii is a hardy plant that can survive in various temperatures and soil conditions, making it suitable for growing in multiple climates.
  • They can be grown as a houseplant or planted in outdoor gardens, making them versatile plants that can adapt to different growing conditions.

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