Euphorbia ammak Schweinf.
African Candelabra, Candelabra Spurge
Euphorbia ammak is a large tree-like succulent with a short trunk and upright stout branches. It grows up to 33 feet (10 m) tall. The broadly obconical crown of the plant makes it looks like a branched candelabra. Branches are up to 6 inches (15 cm) wide. Spines are paired, brown, horn-shaped, and up to 0.4 inches (1 cm) long. In a suitable climate, the plant will produce simple, lance-shaped leaves near the top of each branch. Flowers are yellow-green and up to 0.4 inches (1 cm) in diameter.
USDA hardiness zone 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).
How to Grow and Care
Euphorbias are very easy to care for. They require a little pampering to become established, but once they are, they are self-sufficient. In fact, more die from too much care and watering than from neglect. Euphorbias need well-draining soil and lots of sunlight. They are not particular about soil pH, but they cannot tolerate wet soil. Unlike most succulents, Euphorbia does not handle long periods of drought well. It may need weekly watering during the summer. Water whenever the soil is dry several inches below the surface. Water deeply, but don't let them sit in wet soil, which can cause root rot. Add some organic matter or fertilizer to the planting hole. Feed with a half-strength fertilizer monthly if you are growing them in containers or your soil is poor.
Euphorbia can be grown from seed, but they can be difficult to germinate (or even find). It is usually propagated by cuttings. This can be tricky because of the exuding sap. Rooting hormone is recommended with Euphorbias. They tend to grow problem-free, but there are a few pests and diseases to be alert for.
See more at How to Grow and Care for Euphorbia.
This species is native to Saudi Arabia and Yemen.
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