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Products > Euphorbia resinifera   Euphorbia resinifera - Moroccan Mound     [2nd Image] Habit and Cultural Information Category: Succulent Family: Euphorbiaceae (Spurges) Origin: Morocco (Africa) Evergreen: Yes Flower Color: Yellow Bloomtime: Winter/Spring Height: 1-2 feet Width: 4-6 feet Exposure: Full Sun Irrigation (H2O Info): Low Water Needs Winter Hardiness: 20-25° F May be Poisonous  (More Info): Yes Euphorbia resinifera (Moroccan Mound) - A mounding succulent to 1 to 2 feet tall by 4 to 6 feet wide with upright pale blue-green leafless 4-sided column-like stems that have brown spines on the margins and near the rounded tip that also bear small yellow flowers late winter to early spring. The stems are crowded together tightly to form a solid mass. Plant in a draining soil - even clay if on a slope in full sun or with afternoon shade in desert gardens. Irrigate occasionally to little in coastal gardens, a bit more inland spring through summer. Hardy to 20°F. This easy-to-grow and hardy succulent plant is native to Morocco, where it occurs on the slopes of the Atlas Mountains. It has been grown in California gardens for many years with older clumps forming masses that cover many square feet. Evidence of its long cultivation here is its listing in "Cacti and Other Succulents: An Annotated List of Plants Cultivated in Santa Barbara" that was edited by Pearl Chase and published in 1930. Other common names include Officinal Spurge and Resin Spurge, owing to this plant being one of the oldest documented medicinal plants with the extracted latex, called Euphorbium, being used for many purposes. The name Euphorbia was noted by Pliny the Elder as being a reference to Euphorbus, the physician of King Juba II of Numidia.  This description is based on research and observations of this plant as it grows in our nursery, in our nursery garden and in other gardens that we visit. We also incorporate comments received and appreciate getting feedback of any kind from those who have any additional information about this plant, particularly if they disagree with what we have written or if they have additional cultural tips that would aid others in growing Euphorbia resinifera.