Everything You Need About The Crowns Of Thorns Plant

Last Updated on February 21, 2022 by Griselda M.

Albeit the crowns of thorns plant sound a bit off-putting, it is one of the most beautiful succulents. It is also known as Euphorbia, which comes in a variety of beautiful blooms. Unlike other succulents, it blooms almost all year-round, even indoors.

You will know it by the bright green leaves with cute flowers growing around the stem. The only con of this plant is probably the fact that it has thorns all over it. But its flowers come in various beautiful colors such as red, orange, pink, yellow, and white. They look great in every home.

This plant is also slow-growing. That means you may need to wait for many years for them to grow 3-6 feet. But you wouldn’t like that either. Since they’re really cute and thorny, they should stay in their small sizes.

How Do You Care For A Crowns Of Thorns Plant?

Caring for the crowns of thorns is quite easy.  Read on to know the requirements for a beautiful crown of thorns.

How poisonous is a crowns of thorns plant


Similarly, as with most blossoming plants, the crowns of thorns plant requires a lot of sunlight exposure to yield more blooms. Nonetheless, the crowns of thorns will dependably sprout more or less lengthy no less than three to four hours of splendid, direct daylight each day. If you are growing it outside, try to place it in an area with more exposure to sunlight. If you are planting inside, make sure it is situated in the west or south-facing window. 


In the case of growing outside, plant in well-d soil and fraining soil. Give it full sun exposure. In dry environments, the plants will see the value in some early afternoon conceal. Crowns of thorns is a truly versatile houseplant. But you shouldn’t plant it in a container that is too deep. Don’t put too much soil and water as it may eventually affect the stem and cause root rot.


Since it is succulent, a crown of thorns is exceptionally lenient concerning water. Water when the dirt has dried 1 inch beneath the surface. Water completely and permit any abundance to deplete off. Try not to allow your plant to sit in water or wet soil for delayed timeframes or the roots will decay. Crowns of thorns will go semi-torpid in the colder time of year and needless regular watering and not food.

Temperature and humidity

To some degree, a large portion of a day of daylight is a significant necessity for a crowns of thistles. Temperature-wise, an agreeable 65 to 75 degrees Fahrenheit is great. Just relax assuming that you bring down the indoor regulator around evening time; a crowns of thistles can deal with temperatures down to 50 degrees Fahrenheit.


From spring through fall, feed your crowns of thorns with a reasonable houseplant compost. You can do this all other times you water if you weaken the compost to half strength.

How Poisonous Is A Crowns Of Thorns Plant?

The crowns of thorns is poisonous. It produces sap with saponin, which can be irritating to the skin and poisonous if eaten. When planting Crowns of Thorns, you must wear gloves to protect your skin from the thorns and the sap as well. Make sure to keep your plant away from pets. Cats and dogs love to play with plants and your euphorbia is not an exception. This is why you must keep them in locations that are out of reach.

Read more about Is String Of Pearls Plant Poisonous To Humans?

Is Crowns Of Thorns A Houseplant?

The quick answer is yes. The crowns of thorns is a beautiful houseplant. Albeit sun-loving plants, they can be grown inside your home.

The best way to grow euphorbias is to use cuttings. Cuttings can easily be potted in well-draining soil. On the other hand, you can grow them using seeds but the germination may take a few months. Here are the steps in growing lovely crowns of thorns inside your home.

Get your cuttings. Assuming you have a crowns of the thorns parent plant and you’re prepared to begin developing a few new ones, you’ll initially have to get your cuttings. Slice somewhere in the range of three to six crawls from the tip of a verdant stem of your parent plant.

Dry your cut ends. Eliminate everything except a couple of leaves from the highest point of your tip cuttings, and let the cuttings dry in a cool spot until they finish callus (they’ll become grayish and pucker). Drying can require a couple of days, however, abstain from avoiding this progression, as establishing new cuttings in the preparing blend can advance root decay.

Set your cuttings. Set up a dirt blend that is a mix of peat, sand, and manure, and spot it in a four-to six-inch pot. Bury the tip of the cutting at least 1 inch to the soil. Give it moderate watering from the start until it has been fully established.

 How Do A Full-grown Crowns Of Thorns Plant Look Like? 

crowns of thorns plant

A fully matured Crowns of Thorns plant can grow up to 6 feet with beautiful and colorful flowers all over the stems. As your plant grow it may lose some leaves and flowers in the bottom causing it to develop a leggy and thorny stem. 

In case this happens, you need to cut your plant and repot it. In any case, you can use fertilizer to help it grow leaves and bloom. 

When you have a fully grown mother plant, you can also start propagating your Euphorbia. Simply take cuttings from the main plant and plant them in their new pots. 

Ready to grow your Crowns of Thorns? Stay tuned for more entries and learn more about growing succulents. Use this article to start your gardening journey and feel free to share it with a friend in need.

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