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Crown of Thorns
Scientific Name: Euphorbia milii var. hislopii Brouss.
Family: Euphorbiaceae
Crown of Thorns (Euphorbia  milii var. hislopii)
Euphorbia milii var. hislopii at Monaco's Jardin Exotique
Recommended Temperature Zone:
sunset: 21-27
USDA: 10-12

Frost Tolerance: Hardy to 30 F (-1 C), might need protection in Phoenix

Minimum Avg. Temperature: 50F (10C)

Sun Exposure: Full sun to light shade

Origin: Madagascar

Growth Habits: Clumping succulent stems, forms shrub up to 8 feet tall (2.5 m)

Watering Needs:

Propagation: Cuttings

Euphorbia milii was named after M. le baron Milius, the Governor of then Ile Bourbon (now Mauritius island).
Although this variety is seldom seen, it is one of the wild varieties with the largest red bracts. Its cultivar 'Breon' occasionally offered as Euphorbia breonii is one of the most desirable. Along with Euphorbia lophogona, it is in the parentage of most large flowered hybrid "crown of thorns".

Blooming Habits:
Blooms in summer

Fruiting Habits:

Check for Field Collection numbers at Ralph Martin's Site

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Desert-Tropicals is dedicated to provide gardening advice, gardening ideas, and information about flower of all kind for landscape and collections. We try to check carefully the identification of the plants on the illustrations as well as the other information from the page, but occasionally errors do occur. if you notice anything that needs to be changed please contact us. Thanks.

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