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Orostachys malacophylla – Green Duncecap


Scientific Name

Orostachys malacophylla (Pall.) Fisch.

Common Names

Green Duncecap


Cotyledon malacophylla (basionym), Orostachys malacophylla subsp. malacophylla, Sedum malacophyllum, Umbilicus malacophyllus

Scientific Classification

Family: Crassulaceae
Subfamily: Sedoideae
Tribe: Sedeae
Subtribe: Umbilicinae
Genus: Orostachys


Orostachys malacophylla is a small succulent plant with rosettes up to 6 inches (15 cm) across at maturity. The leaves are green, oblong to elliptic, entire, without apical spine. In summer, the rosettes rise like an erupting volcano as they burst into flower.

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How to Grow and Care

As with most similar genera of Crassulaceae, this plant can survive in fairly poor soil, so long as it is well draining. This genera is very cold-hardy and can survive temperatures to -30° F (-34° C). Allow soil to dry to the touch between waterings, and avoid getting water on the rosettes. Orostachys requires some bright light. This plant doesn't tolerate high humidity well. Orostachys grows actively in spring and summer.

In general, this is a good plant to forget about. Leave it in a bright sunny location and water very sparingly. Water in the morning so as to prevent water from remaining on the leaves during the night. Remove any dead leaves from rosettes, as dead leaves invite rot and insects. When a rosette has flowered, it will die shortly.

In the event of an unhealthy plant, the first thing to examine is your watering habits. The most common problem is root rot due to overwatering. If the soil is too wet, don't hope it will safely dry out so long as you don't water it for a while. Replace the soil immediately… – See more at: How to Grow and Care for Orostachys.


Native to China, JapanKorea, Mongolia, Russia.


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