All You need to know about Euphorbia Monstrose

Euphorbia monstrose, also known as the monster cactus or the crested euphorbia, is a type of succulent plant in the genus Euphorbia. It is native to Madagascar but is also commonly grown as a houseplant or outdoor ornamental plant in other parts of the world.

The plant is characterized by its unusual and striking growth pattern, which features multiple branching stems that are often contorted and twisted in unusual ways. The stems are typically covered with small, spine-like projections that give them a rough texture, and they produce small, greenish-yellow flowers in the summer.

How to grow and take care of Euphorbia Monstrose?

Euphorbia Monstrose, also known as the “monstrose cactus,” is a unique succulent plant that is native to Central and South America. Here are some tips on how to grow and take care of Euphorbia Monstrose:

  1. Light: Euphorbia Monstrose requires bright, indirect sunlight. Direct sunlight can scorch the plant and damage its leaves. It’s best to place it near a window that receives plenty of light, but not direct sunlight.
  2. Water: This plant is drought-tolerant and doesn’t require frequent watering. It’s important to let the soil dry out completely before watering again. Overwatering can cause root rot, which can be fatal to the plant. During the growing season (spring and summer), water the plant once a week. In the winter, reduce watering to once every two to three weeks.
  3. Soil: Euphorbia Monstrose prefers well-draining soil that is slightly acidic. You can use a cactus or succulent mix, or create your own by mixing sand, perlite, and potting soil.
  4. Temperature and Humidity: This plant prefers warm temperatures between 60-85°F (15-30°C). It doesn’t require high humidity levels and can tolerate dry air.
  5. Fertilizer: During the growing season, you can fertilize your Euphorbia Monstrose with a cactus or succulent fertilizer. Follow the instructions on the fertilizer label and apply once a month.
  6. Pruning: Euphorbia Monstrose doesn’t require frequent pruning, but you can prune it to maintain its shape or to remove any damaged or diseased parts. Be sure to wear gloves and protective clothing, as the sap of this plant is toxic and can cause skin irritation.
  7. Propagation: You can propagate Euphorbia Monstrose by taking stem cuttings. Wait until the cuttings have callused over before planting them in well-draining soil. It’s important to wear gloves and protective clothing, as the sap of this plant is toxic and can cause skin irritation.

Overall, Euphorbia Monstrose is a low-maintenance plant that can add a unique touch to your indoor or outdoor space.

What is the lifespan of Euphorbia Monstrose?

In general, this plant can live for 10-20 years or more, but some specimens have been known to live for over 50 years. It’s important to provide the plant with proper care, including the right amount of light, water, and nutrients, as well as protection from pests and diseases, to help ensure a long and healthy life.

The lifespan of Euphorbia Monstrose can vary depending on its growing conditions and care, but with proper care, it can live for many years. Euphorbia Monstrose is a slow-growing plant, so it can take several years for it to reach its full size.

How to water it?

When it comes to watering Euphorbia Monstrose, it’s important to be careful not to overwater it, as this can lead to root rot and other issues. Here are some tips on how to water Euphorbia Monstrose:

  1. Allow the soil to dry out completely between waterings. Euphorbia Monstrose is a drought-tolerant plant and can go for extended periods without water. Watering too frequently can cause root rot.
  2. Water deeply and thoroughly when you do water the plant. This means saturating the soil until water begins to drain out of the bottom of the pot. This ensures that the roots receive enough moisture.
  3. Use room-temperature water to avoid shocking the plant. Cold water can stress the roots and cause damage.
  4. Water in the morning or early afternoon to give the plant enough time to dry off before cooler evening temperatures set in. This helps prevent fungal growth and other issues that can result from damp conditions.
  5. Be sure to avoid getting water on the leaves, as this can cause water spots or lead to fungal growth.

By following these tips, you can help ensure that your Euphorbia Monstrose gets the right amount of water and stays healthy and thriving.

How to prune it?

Pruning Euphorbia Monstrose is not usually necessary, but if the plant becomes too large or develops damaged or diseased parts, pruning can help maintain its shape and health. Here are some tips on how to prune Euphorbia Monstrose:

  1. Wear protective clothing, including gloves and long sleeves, as the sap of Euphorbia Monstrose can cause skin irritation.
  2. Use clean, sharp pruning shears or scissors to make the cuts. This helps prevent damage to the plant and reduces the risk of spreading diseases.
  3. Identify the parts of the plant that need to be pruned. This may include dead, damaged, or diseased branches, as well as parts that are growing in an undesirable direction or that are too large.
  4. Cut the branches or stems as close to the base as possible. This helps promote new growth and a more compact shape.
  5. After pruning, apply a fungicide to the cuts to help prevent infections.
  6. Dispose of the pruned parts carefully, as they can be toxic if ingested by humans or animals.

By following these tips, you can help keep your Euphorbia Monstrose healthy and looking its best. Remember to always wear protective clothing and handle the plant with care to avoid exposure to its toxic sap.

How big does the Euphorbia Monstrose grow?

Euphorbia Monstrose is a slow-growing succulent plant that can take several years to reach its full size. The plant typically grows to a height of 6 to 18 inches (15 to 45 cm) and can spread out to a width of up to 2 feet (60 cm). However, there can be significant variations in size depending on growing conditions and other factors.

The growth rate of Euphorbia Monstrose can also be influenced by factors such as the amount of light, water, and nutrients it receives, as well as the temperature and humidity levels in its environment. With proper care, the plant can grow to its full potential and become a beautiful and unique addition to your indoor or outdoor space.

Which soil is the best for growing it?

Euphorbia Monstrose thrives in well-draining soil that is rich in organic matter. Here are some tips on choosing the best soil for your Euphorbia Monstrose:

  1. Choose a potting mix that is specifically designed for succulent plants or cacti. These mixes are formulated to provide good drainage and aeration, which is essential for the health of your Euphorbia Monstrose.
  2. Make sure the soil has a pH level between 6.0 and 7.5. This range is ideal for most plants, including Euphorbia Monstrose.
  3. Mix in some perlite or coarse sand to improve drainage and prevent the soil from becoming too compacted.
  4. Avoid using heavy soils that hold too much moisture, as this can lead to root rot and other problems.
  5. If you prefer to make your own soil mix, combine equal parts of potting soil, perlite or sand, and organic matter such as compost or well-rotted manure.

When repotting your Euphorbia Monstrose, choose a pot that is slightly larger than its current one and fill it with the appropriate soil mix. Be sure to allow the soil to dry out completely between waterings to prevent overwatering, which can harm the plant.

Where can I buy it?

You can buy Euphorbia Monstrose at many plant nurseries, garden centers, and online retailers that specialize in selling succulent plants. Here are some places where you can buy Euphorbia Monstrose:

  1. Local plant nurseries and garden centers: Check with local nurseries and garden centers in your area to see if they carry Euphorbia Monstrose. They may have a selection of plants available in various sizes.
  2. Online plant retailers: There are many online retailers that specialize in selling succulent plants, including Euphorbia Monstrose. Some popular online retailers include Etsy, Amazon, and The Sill.
  3. Succulent plant clubs and societies: Joining a local succulent plant club or society can be a great way to connect with other plant enthusiasts and find rare or hard-to-find plants, including Euphorbia Monstrose.

When buying Euphorbia Monstrose, look for healthy plants with firm, green stems and no signs of damage or disease. Avoid plants with wilted or yellowing leaves, as these may be a sign of poor health. Also, be sure to check the seller’s reputation and return policy before making a purchase.


In this post, we discussed how to grow and care for Euphorbia Monstrose. We talked about the ideal growing conditions for the plant, including its light, water, and soil requirements. We also covered topics such as pruning and the plant’s lifespan. Finally, we provided some tips on where to buy Euphorbia Monstrose, including local plant nurseries, online retailers, and succulent plant clubs and societies.

Have a nice day!

Ari Iniesta

Ari Iniesta

Total posts created: 199
Hello fellow succulent enthusiast! My name is Ari Iniesta, and I'm a succulent enthusiast. I was born and raised in a small town in southern Spain, where the warm climate and dry conditions allowed me to develop a love for plants that are able to thrive in harsh environments. As I got older, my interest in succulents only grew stronger. I began to study horticulture and botany, and I even started my own collection of rare and exotic succulents from around the world.

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