Easy methods to Plant, Develop, and Take care of Crown of Thorns

Crown of thorns is a hanging plant with an fascinating historical past of legend and symbolism. It’s a member of the Euphorbia genus, which incorporates such vegetation as the favored Poinsettia and African Milk Tree. Euphorbia is a genus of about 2,000 species that cowl a variety of bodily traits. 

Essentially the most hanging attribute of this explicit species of Euphorbia is its giant, sharp spines that develop alongside every of its woody, succulent branches. It has historic medicinal use however can be mildly poisonous if ingested. It’s a preferred houseplant in america.


Crown of thorns, with its pointed leaves, showcases nature's resilience and beauty. The pink blooms, nestled amidst the thorns, add a touch of elegance to the garden, evoking a harmonious blend of toughness and grace.

Plant Kind

Evergreen, Semi-succulent

Watering Necessities


Pests and Ailments

Mealybugs, spider mites, scale, thrips, bacterial leaf spot, fungal illnesses

Soil Kind

Wealthy, well-Drained

Historical past

A close-up featuring green leaves that form a dense and intricate pattern. The sharp thorns are clearly visible, adding a contrasting element to the lush foliage.
This Euphorbia member of the family is native to Madagascar.

Crown of thorns is native to Madagascar. The genus was formally named in 1753 as a part of the Euphorbiaceae Household. Legend has it this plant was used to create the crown of thorns that Roman troopers positioned on the top of Jesus Christ previous crucifixion.  

The plant is important in Thai tradition, the place its frequent title, Poysean, means eight saints. Some regard it as a superb luck allure. It’s usually stored as a potted plant and positioned strategically within the house to ask constructive forces. The extra flowers the plant produces, the extra success that family is believed to obtain. 

Native Space

A close-up captures the intricate leaves, showcasing their vibrant green color. Delicate pink flowers emerge, adding a touch of elegance and contrasting beautifully with the rugged texture of the leaves.
This flowering succulent thrives in subtropical climates.

This plant is solely native to the Island of Madagascar. This fascinating island is house to greater than 11,000 endemic plant species, in addition to 150,000 endemic species of animals.

Madagascar has 5 completely different climatic areas and is primarily subtropical. Crown of thorns grows naturally within the central area of the island


The plant is adorned with large leaves, showcasing a striking contrast between the vibrant greenery and the thorny spikes that encircle it. Delicate clusters of pink flowers gracefully bloom, adding a touch of soft elegance to the composition.
Identified for its thorny stems, the plant options inconspicuous inexperienced flowers surrounded by colourful bracts.

This succulent shrub shows thorns that develop from its woody branches and stems. The spiky stems are branching, water-carrying, and help shiny inexperienced, fleshy leaves. The flowers are inexperienced and inconspicuous, which can come as a shock in the event you’ve ever seen this plant in bloom. 

The components of the plant generally regarded as flowers are literally colourful and long-lasting bracts that encompass the a lot smaller and fewer showy flowers. The bracts may be yellow or pink and bloom in clusters on the ends of branches. Because the plant ages, it drops previous leaves, exposing the spiny stem.

Like all species of Euphorbia, crown of thorns comprises a mildly poisonous, white, milky sap that may trigger pores and skin irritation and abdomen upset with ingestion. In its native atmosphere, the plant grows to heights of 5 or 6 ft, however in cultivation, it’s not often taller than three ft and often stays nearer to 2 ft tall when stored in a container. 

The plant obtained the Award of Backyard Benefit from the Royal Horticultural Society for its excellent traits. Certainly one of these is the exceptionally lengthy blooming season, which might final from late winter by means of the next fall.

Makes use of

A close-up of flowers, showcasing a mix of pink and pale pink blossoms nestled among lush green leaves. In the background, a soft blur reveals a diverse array of plants, adding depth to the composition.
This plant has medicinal and decorative makes use of.

Traditionally, this plant has seen many medicinal makes use of as a painkiller, disinfectant, and antiseptic.

In america, the plant is mostly stored for its decorative worth. It has a singular and exquisite look that makes it well-liked amongst succulent cultivators. It makes a wonderful houseplant so long as it receives sufficient mild. 

The place to Purchase

A market display featuring neatly arranged rows of sleek black pots, showcasing a variety of plants. The plants bloom with striking pink and yellow flowers.
This plant is often obtainable in native nurseries, {hardware} shops, and on-line retailers.

You will discover this plant in lots of native nurseries and even at some bigger {hardware} shops. Its ease of care and propagation has made this a preferred home and backyard plant. It’s also possible to discover it readily by means of on-line retailers. 


A cluster of black pots stands closely together, creating a visually striking arrangement. The pots contain rich, dark soil, providing a fertile environment for the growth of healthy young crown of thorns plants.
Dropped leaves are an indication of stress.

Crown of thorns is a straightforward plant to develop. Sometimes began from cuttings, it may be grown indoors or out in hotter climates however wants to come back indoors within the winter in the event you dwell above Zone 7. Give it loads of solar and never an excessive amount of water. 

Rock gardens and different conditions the place most succulent vegetation thrive are the place this plant will carry out finest. It’s sluggish rising, so it doesn’t have to be repotted usually. As an outside plant, it is vitally tolerant of sizzling temperatures. It prefers constant care and might turn out to be confused with adjustments to the care routine. 

When this plant turns into confused, it tends to drop its leaves. An excessive amount of solar, an excessive amount of, or not sufficient water are all elements that stress your plant. Let’s speak extra concerning the particular circumstances this plant prefers and the way to domesticate the healthiest plant attainable. 

Easy methods to Develop

It doesn’t take an abundance of effort to maintain considered one of these vegetation completely happy and thriving. So long as you think about its wants by way of publicity, water, and temperature, your plant ought to reward you with an extended blooming season and reasonable yearly development. 


Abundant pink flowers adorn the plant, their delicate petals unfolding in a striking display. Bathed in the warm sunlight, the flowers exude a subtle radiance that enhances their beauty.
Solar publicity wants fluctuate with local weather.

The quantity of solar publicity preferrred for crown of thorns will fluctuate based mostly on the local weather during which it’s grown. Whether or not you retain your plant indoors or out may even affect the quantity and kind of sunshine the plant ought to obtain. 

Stored indoors as a houseplant, the place the temperature is constant and delicate, it will probably tolerate and can respect as a lot mild as you may give it. Full solar is the perfect situation for this plant so long as it’s stored in a temperate local weather. That is the place you will notice the very best flowering capabilities. 

When grown outside, this succulent nonetheless prefers loads of daylight, however it will probably get burned whether it is left within the solar all day in hotter climates. In hotter climates, plant in an area that will get at the very least three to 4 hours of direct solar within the morning, with some safety within the afternoon. 


A mesmerizing close-up captures the deep green crown of thorns leaves, adorned with delicate water droplets that glisten like nature's jewels. The blurred background reveals a thriving tapestry of leaves on the ground.
Overwatering can result in root rot.

As a succulent, it has decrease water necessities than many vegetation. It is very important not overwater this plant, as its roots are delicate to overwatering and root rot can happen simply if the roots stay moist for lengthy intervals. 

For outside vegetation, you may anticipate to water this plant as soon as per week. The soil ought to dry between waterings to stop fungal an infection within the roots. In the summertime, throughout instances of extended warmth and/or drought, crown of thorns will want some further water and must be watered together with surrounding vegetation. 

In temperate environments, this plant will want little supplemental water and can sometimes thrive with regular rainfall. As a houseplant, watering must be given sparingly, permitting the soil to dry between waterings. Water this home plant about as soon as each ten days to make sure that the roots do not stay moist for lengthy intervals. 


A close-up of brown sandy loam soil, showcasing its fine texture and rich color. The soil appears well-drained and fertile, suggesting optimal conditions for plant growth. Its composition suggests a balance of sand, silt, and clay.
Present well-draining soil, ideally a mixture of loam and sand.

Crucial issue in the case of soil is drainage. The roots of this plant are very delicate to overwatering, and moist roots will usually result in fungal rot, which is able to kill the plant. Ideally, outside soil that may be a mixture of loam and sand will do the very best job of offering vitamins and preserving the roots of your plant completely happy. 

If preserving crown of thorns as a houseplant, it’s best to amend your potting combine to make it drain very properly. Two components of natural potting soil, blended with one half coarse sand or perlite, will create an atmosphere that drains properly but additionally retains some vitamins. Utilizing unamended potting soil could also be advantageous to your plant initially. If the soil retains a number of moisture, you might be more likely to find yourself with rotten roots. 

Temperature and Humidity

A ceramic pot, elegantly placed against a warm brown wall, showcases the resilience of Its sharp, succulent leaves ,creating a striking contrast against the earthy backdrop.
The perfect temperature vary for profitable development is between 65°-85°F (18-29°C).

Crown of thorns is native to a subtropical local weather and is properly suited to Zones Sep 11 when grown outside. Ideally, this plant is happiest when temperatures keep between 65°-85°F (18-29°C), making it a wonderful alternative for preserving indoors the place there’s little fluctuation in temperature. 

This plant could be very warmth tolerant and might deal with temperatures within the 90s so long as it has some safety from the recent afternoon solar. It isn’t frost tolerant, and soil temperatures under 35°F (2°C) will trigger injury to the roots. The foliage might survive a lightweight frost. Nevertheless, extended intervals of chilly shall be damaging. In some instances, this plant can survive colder temperatures, but it surely’s finest to not likelihood it. 

It’s much like most kinds of cactus or succulents the place moisture and humidity are involved. This plant prefers low humidity ranges and is inclined to fungus within the presence of an excessive amount of moisture within the soil or air. 


A close-up of slow-release plant fertilizer granules, carefully arranged on an earthenware plate. The plate rests on a rustic brown wooden table, creating a natural and organic setting. Adjacent to the plate, vibrant green serrated leaves add a touch of freshness.
Fertilize in spring as new development seems.

These vegetation have comparatively low fertilizer wants. Fertilizing may be carried out twice per yr and solely in the course of the rising intervals. The plant is dormant in winter and summer time and shouldn’t be fertilized at these instances because the plant’s nutrient wants are decrease.

Further fertilizer can burn the roots. Twice yearly, in spring and fall, apply a water-soluble, balanced, all-purpose fertilizer


A pair of garden scissors prepares to delicately snip the stem adorned with delicate pink flowers. The blurred background introduces a different plant, creating a harmonious botanical atmosphere.
Spring pruning helps preserve a delightful form for maturing vegetation.

Pruning isn’t essential for development. Nevertheless, it will probably assist preserve a pleasing type to your maturing plant. Neglecting to prune your plant can lead to leggy development and sparsity of foliage. Thankfully, the plant takes properly to pruning. It’s best to prune whereas the plant is actively rising, with the perfect time going down within the spring to keep away from eradicating buds. 

In case your plant has turn out to be leggy with few branches, pruning can encourage branching in most Crow of Thorns vegetation. Take care when pruning to put on protecting gloves, because the milky sap may be an irritant. Additionally, take care to maintain this sap off of your garments, and wash all instruments earlier than and after pruning. 

Start pruning by eradicating any lifeless or broken limbs and reducing again all the best way to the bottom of the limb. As soon as all broken parts of the plant are eliminated, think about the general form of the plant and what your targets are for the long run. 

It’s best to keep away from reducing again all leafing branches on the similar time, and don’t lower branches again by greater than ½. Establish wholesome buds on the branches that you simply want to lower and trim again to only above the bud. It’s also possible to in the reduction of to a department joint if buds exist behind that time. Wholesome buds are a sign of how and in what course your plant will type new branches. 

As quickly as new leaves seem on the brand new branches, it’s okay to prune the remaining branches that had been left after the preliminary pruning. You should utilize your cuttings to propagate the plant, as cuttings are the best technique to propagate this plant.


An array of brown weathered pots stand in neat rows, each revealing the cracked and dried soil within. Among the weathered pots, a resilient crown of thorns plant flourishes, showcasing its tenacity with vibrant green leaves and sharp spines.
Profitable plant propagation includes taking four-inch cuttings from youthful stems.

Propagate with cuttings for the very best success fee. Be sure that to water your plant a day or so earlier than taking your cuttings in order that the cuttings have sufficient water within the stems to be most profitable. Youthful stems have a better capability to type new development and roots, so keep away from utilizing previous stems to take your cuttings. 

Trim your cuttings to about 4 inches lengthy, and spray the lower ends with cool water to cease the sap from flowing. Place the cuttings on a paper towel, out of direct solar, for 2 to a few days till the lower finish callouses over. 

Put together your potting combine by combining soil with sand or perlite to extend the drainage and moisten your combination. Use your finger to make a shallow gap of about one and a half inches, after which dip the top of your reducing first in root hormone after which place it within the gap in your soil combine. 

Type the soil across the base of your reducing and place the container in an space that will get shiny however oblique solar for a big portion of the day. Water your reducing sparingly, solely sufficient to dampen the soil, and solely when the soil is sort of dry. Your reducing will take three to 4 weeks to type roots. As soon as new development emerges, it’s possible you’ll start watering as normal. 

Rising in Containers

Stylish pots, each cradling plants with distinctive, thorny stems and glossy green leaves. The plants showcase their resilience with delicate pink flowers, adding a touch of natural beauty to the arrangement.
Be sure that containers have enough drainage.

This plant grows properly in containers so long as they’ve correct drainage. It doesn’t like an extreme quantity of area in a container, so select a pot that is just one or two inches bigger than the foundation ball. Extra area crammed with soil could cause extra water retention than the plant wants and result in root rot. 

Your container ought to have correct drainage holes, and the soil wants to empty properly, too. Use a mix of soil and coarse sand or perlite to make sure that the soil doesn’t keep moist for lengthy after watering your plant. Conserving your plant’s roots restricted in a smaller container will trigger the plant to bloom extra vigorously. 

Crimson Splash

A close-up of crimson splash flowers bask in the golden sunlight, their delicate petals capturing the warmth of the day. In the background, lush green leaves provide a verdant backdrop, enhancing the visual spectacle.
This selection is a straightforward and fast-growing hybrid with further giant, uniquely coloured flowers and bracts.
botanical title

Euphorbia milii hybrid ‘Crimson Splash’
solar necessities

Full solar to partial shade

hardiness zones

Sep 11

This thrilling hybrid selection has further giant flowers and bracts with distinctive and exquisite coloration. The flowers seem in clusters in spring and summer time.

The blooms are inexperienced, and the bracts are white with shiny pink ‘splashes’ of shade. This straightforward and fast-growing selection is finest identified for its intense flowering behavior and larger-than-usual blooms

Queen Millionaire

A close-up reveals the delicate beauty of Queen Millionaire flowers, showcasing their pale pink petals adorned with subtle pink dots. The intricate patterns create a mesmerizing display, inviting admiration for the exquisite details of nature's craftsmanship.
Identified for the most important flowers amongst varieties, ‘Queen Millionaire’s’ coral-colored bracts boast white edges.
botanical title

Euphorbia milii hybrid ‘Queen Millionaire’
solar necessities

Full solar to partial shade

hardiness zones

Sep 11

‘Queen Millionaire’ is understood for having the most important flowers of any crown of thorns selection. The big, colourful bracts are coral coloured with white edges and a speckled border between the 2 colours. This Thai hybrid will wow you with its colourful show from spring by means of fall

Golden Gem

Golden gem's yellow flowers catch the warm sunlight, showcasing a vibrant burst of color. Nestled among the lush green oblong leaves, the blooms create a stunning contrast, creating a picturesque scene in nature's radiant palette.
This options smaller shiny pink or yellow bracts round small yellow flowers.
botanical title

Euphorbia milii var. splendens ‘Golden Gem’
solar necessities

Full solar to partial shade

hardiness zones


‘Golden Gem’ is identified for its engaging, variegated foliage. The blue-green leaves are irregularly edged with gold, making this an additional showy and engaging cultivar. This selection blooms on two-inch stems, producing smaller, shiny pink or yellow bracts round small, yellow flowers. 

Peppermint Sweet

A pot showcasing a peppermint candy plant, adorned with delicate pink flowers and lush green leaves, accented by a subtle touch of white. This botanical masterpiece is complemented by an array of black pots.
With vibrant variegated foliage, this slow-growing crown of thorns selection is right for indoor areas.
botanical title

Euphorbia milii hybrid ‘Peppermint Sweet’
solar necessities

Full solar to partial shade

hardiness zones


This gorgeous variegated selection has a dense branching behavior and splendidly colourful and decorative foliage. The small, pink flowers bloom for practically all the yr, solely taking a brief break between winter and fall earlier than exhibiting up once more late winter to early spring. That is a sluggish grower and a compact plant, which makes it an excellent alternative for preserving indoors. 

Frequent Issues


An extreme close-up of a dark bed bug perched delicately on the pink flowers of a Crown of Thorns plant. Bathed in sunlight, the scene captures the subtle beauty and potential threat of this tiny creature in its natural habitat.
To deal with insect points, isolate vegetation and deal with them with neem oil.

There are a handful of bugs which may be drawn to your crown of thorns plant. Mostly, these embody spider mites, mealybugs, scales, and thrips. Should you discover indicators of an infestation, the very first thing to do is isolate the plant away from different houseplants if indoors. 

Washing the foliage can take away a number of the offending bugs. Deal with your plant with neem oil to eradicate the infestation, and re-treat after two weeks to make sure that all generations are eradicated.


A close-up of flowers reveals intricate details in the once vibrant pink blooms, now sadly transformed to a somber brown hue. Nature's cycle unfolds, and beauty grapples with the inevitable embrace of transformation.
Water solely when the soil is dry to the contact to keep away from fungal illnesses.

Fungal illnesses can happen because of an excessive amount of moisture. Crown of thorns doesn’t respect humidity or overwatering. An excessive amount of moisture across the foliage can promote fungus development, and an excessive amount of moisture within the soil causes fungal root rot. 

Establishing good watering habits is a should for this plant. Be sure that to solely water when the soil is dry to the contact, and hold your plant in soil and a container that drains freely. Should you dwell in a moist local weather, enhance air circulation round your plant. 

Lack of Flowers

A plant rests in a pot, positioned alongside a staircase. The absence of flowers on the plant adds an intriguing contrast. In the background, another potted plant introduces variety.
Inadequate darkness at evening might hinder flowering.

There are a few explanation why your plant isn’t flowering, and they’re each type of counterintuitive by way of what sometimes makes a plant bloom. With the intention to flower, this plant wants a substantial quantity of darkness at evening, so indoor vegetation might obtain an excessive amount of mild at evening time to provide flowers. 

Overfertilizing may also be the reason for an absence of flowering. In case your plant is rising a number of healthy-looking, new foliage however no flowers, the offender is more likely to be an overabundance of nitrogen. Keep away from fertilizing till the next spring or fall season, and use a fertilizer with much less nitrogen and extra phosphorus. 

Often Requested Questions

Ingestion of this plant and its flowers is poisonous sufficient to trigger pores and skin irritation in addition to gastrointestinal upset. There are sometimes no lasting signs, and it’s unlikely to trigger a deadly response even in bigger quantities.

The commonest purpose for the lack of leaves is stress. This could come within the type of over or underwatering, in addition to drastic temperature shifts or shifts in humidity. As soon as the plant overcomes this stress, it’ll sometimes regrow leaves.

This plant may be grown from seed, however the seeds are solely viable for a short while, and germination takes fairly a very long time. For these causes, it’s most frequently propagated by cuttings.

Remaining Ideas

Crown of thorns is an excellent succulent plant that asks little of its caregiver and gives a number of curiosity within the backyard or houseplant assortment. With the correct amount of sunshine, water, and constant temperatures, it must be completely happy, wholesome, and simple to keep up. This enjoyable plant shall be a sure dialog starter, with its thorny look and shiny, colourful blooms. 

Related Articles


Please enter your comment!
Please enter your name here

Latest Articles