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Euphorbia ritchiei subsp. nyambensis


Scientific Name

Euphorbia ritchiei subsp. nyambensis (S.Carter) Bruyns


Monadenium ritchiei subsp. nyambense

Scientific Classification

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


Euphorbia ritchiei subsp. nyambensis, also known as Monadenium ritchiei subsp. nyambense, is a small, clumping succulent with a thick fleshy rootstock that forms compact clumps with time. It is a dwarf subspecies distinguished by shorter, thinker and more numerous stems which are very knobby and erect. The leaves are glabrous, light green and up to 1.6 inches (4 cm) long. The flowers (cyathia) are up to 0.2 inches (5 mm) across and bright pink with a deep red margin.

Euphorbia ritchiei subsp. nyambensis

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USDA hardiness zone 11a to 11b: from 40 °F (+4.4 °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. 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.


Native to Kenya.


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