Euphorbia horrida
African Milk Barrel
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African Milk Barrel (Euphorbia horrida) - Description
Euphorbia horrida (African milk barrel) is a species of flowering plant in the family Euphorbiaceae, native to South Africa. It is a cactus-like shrub showing remarkable similarities to the true cacti of the New World, and thus an example of convergent evolution. Growing to 1. 5 m (4 ft 11 in), it has blue-green, heavily-ridged spiny stems carrying solitary green flowers in summer.
African Milk Barrel (Euphorbia horrida) - Blooming
All Euphorbia have very small flowers with one female flower clustered by several male flowers. The showy "flowers" of Euphorbia are colorful bracts beneath the true flowers.
African Milk Barrel (Euphorbia horrida) - Growth
An extremely varied genus, Euphorbia contains annuals, biennials, perennials, subshrubs, trees, and succulents. Most species do well in full sun and light shade, but some species may have other requirements.
African Milk Barrel (Euphorbia horrida) - Planting
Propagate perennials by division or by seeds. Sow seeds of annuals indoors 6-8 weeks before the last spring frost. For succulents, sow seeds when ripe at 59-69F (15-20C). Can also propagate by rooting complete or sections of stems in spring. Shrubs and tree species can be broadcasted by rooting stem-tip cuttings in spring or early summer.
African Milk Barrel (Euphorbia horrida) - Pest
Nematodes, spider mites, mealybugs, and aphids can cause serious damage. Other issues include fungal and bacterial diseases and virus problems.
African Milk Barrel (Euphorbia horrida) - Interesting facts
Euphorbia is one of the most diverse genera of plants, and named after an ancient Greek physician, Euphorbus, who gave an herbal remedy made from a spurge to treat the kings swollen belly. The common name spurge also comes from its use as an herbal purgative.
African Milk Barrel (Euphorbia horrida) - Soil and irrigation
Most perennials prefer loose, poor to average, well-drained soil. Different species have different requirements.
