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Crown of Thorns ( Euphorbia milii ) is a tropical plant , so it is impossible to mature it outdoors yr - round unless you endure in USDA hardiness zones 9 through 11 .
However , if you are fortunate enough to live in one of these tropic , semi - tropical , or desert configurations , you may turn this attractive plant life outdoors class - round .

In other configurations , yourCrown of Thornscan spend the summertime outside but must come in and endure as a houseplant during the winter months . In this article , we apportion details on keeping Crown of Thorns as an out-of-door plant .
What Is The Crown of Thorns Plant?
Crown of Thorns is a tropical , lush repeated hailing from Madagascar . The plant is extremely broad of drought and heat and does very well in dry , sharply draining soil . It is an splendid out-of-door works choice in red-hot , teetotal , desert circumstance .
You may hear this plant referred to as :
It is so - called because it is suppose that this works was used to fashion Jesus ’ thorny crown at the time of His crucifixion .

The plant ’s botanic name isEuphorbia milii(yoo - FOR - bee - uh MIL - ee - middle ) , and it is related to other types of Euphorbia , such as poinsettia . However , it differ from this character of plant because of its dense , fleshy , rip - influence succulent leaves .
There are several different selections of this challenging plant . It ’s uncommitted in motley and hearty - coloured variety sporting many unlike coloured bract and color combinations of pretty flower .
In tropical and desert setting , Euphorbia milii grows happily as a small bush or specimen industrial plant in the landscape . With plenty of sunshine , a quick climate , and sharply run out dirt , the works will bloom profusely throughout the year .
How Do You Keep Outdoor Crown of Thorns in the Landscape?
Location is one of your first considerateness when thinking of planting Crown of Thorns in your landscape . This burry succulent industrial plant has earned its common name , so you ’ll need to be certain to choose a location for it that is well away from the beaten path .
It should also have plenty of surrounding space so that you do not meet its painful prickle circumstantially when you are attend to other plant .
Bright Light and Sharply Draining Soil are Essential
In addition to pick out a stage setting that takes your guard into account , you should also consider the plant ’ need for brilliant , direct sunshine and astute well - draining grunge .
Without sizeable , bright sun , your flora will not give rise as many blossom as you would belike like . Additionally , you must think that these plant life are exceedingly drought patient of , so too much water around the root ball will head to black root rot .
Avoid Overwatering
To be sure that your Euphorbia milii are well established :
Related : Does Your Crown of Thorns Have Leaves Turning Yellow
Prune Carefully
Euphorbia miliiare dull grower , but they need to be pruned annually , just before the grow season . To clean up your plant up , trim away any damaged , diseased , or dead stems . Now is an first-class clock time to get down new plants from cuttings .
disperse this hardy works is very well-situated . Kept in a sharp well drained soil and a quick domain receiving bright , indirect sunlight , tip carving will put down roots eagerly and will soon turn into matured plant life .
When handling your Crown of Thorns , be sure to wear protective gloves that will protect you both against the astute thorns and the irritating latex sap .
Guard Crown of Thorns Against Cold Temperatures
This plant is quite happy in dry , hot scope with temperature higher than 90 ° degrees Fahrenheit . Once established , this brave succulent does very well with little or no maintenance .
As a outcome , it is an first-class xeriscaping selection in dry , warm climate . Because it is also quite liberal of table salt spray , it ’s a good choice for an ocean - side landscape painting .
Although this is a very tough works , understand that it is not at all tolerant of Robert Frost . If you dwell in an area with occasional temperature dips , keep a close-fitting oculus on the weather forecast . Anytime the prognosis predicts temperatures to cast off below 45 ° degrees Fahrenheit , plow your works .
If temperatures lower than 32 ° degrees Fahrenheit are anticipate , it ’s a good thought to plant these warm weather condition succulent in containers that can be brought indoors during cold crack .