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Euphorbia buruana

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Scientific Name

Euphorbia buruana Pax

Scientific Classification

Family: Euphorbiaceae
Subfamily: Euphorbioideae
Tribe: Euphorbieae
Subtribe: Euphorbiinae
Genus: Euphorbia

Description

Euphorbia buruana is a spiny, succulent plant with a large tuberous pseudo caudex that produces a tuft of three-winged succulent branches, variegated with attractive decurrent streaks of yellowish-green. The rootstock is globe-shaped, up to 4 inches (10 cm) in diameter and produces numerous crowded branches that twist over each other to form a rather lumpy hemispheric cushion. The branches are weakly erect up to 1 foot (30 cm) tall or often semi-prostrate up to 2 feet (60 cm) long, up to 1.6 inches (4 cm) in diameter. The small leaves are greatly reduced, scale-like and deciduous. The spines are brownish-grey and up to 0.8 inch (2 cm) long. The flowers are bright yellow.

Photo via pukubook.jp

Hardiness

USDA hardiness zone 9a to 11b: from 20 °F (−6.7 °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 tolerant 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. If you are growing them in containers or your soil is poor, feed with a half-strength fertilizer monthly.

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

Origin

Native to Kenya and Tanzania.

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