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Piaranthus geminatus


Scientific Name

Piaranthus geminatus (Masson) N.E. Br.


Stapelia geminata

Scientific Classification

Family: Apocynaceae
Subfamily: Asclepiadoideae
Tribe: Ceropegieae
Subtribe: Stapeliinae
Genus: Piaranthus


Piaranthus geminatus is a succulent that spread over the ground forming large cushions. Stems are light green, up to 6 inches (15 cm) long, and up to 0.7 inches (1.8 cm) thick. Flowers are up to 1.6 inches (4 cm) across, fleshy 5-pointed stars that vary in color from whitish, yellowish, reddish to bright brown, with or without brown-red dots or transverse lines, sometimes condensed to a more or less plain coloration.

Piaranthus geminatus

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USDA hardiness zones 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).

How to Grow and Care

Stapeliads are relatively easy to grow. They should be treated as an outdoor plant as they will easily rot indoors and cannot flower without exposure to outdoor temperature fluctuations. They should be grown under cover so that watering can be controlled. Stapeliads require a reasonable amount of sunlight to promote flowering and maintain a well-shaped plant. Very shady positions will produce very poor flowering.

These plants come from climates where they survive extremely high temperatures in the summer months, so most growth is in spring and fall, with flowering in fall when the weather starts to cool down. In the growing season, water in moderation when needed, making sure soil is fairly dried out between waterings. Do not water between late fall and early spring.

The easiest and best way to propagate Stapeliads is from stem cuttings, which can be taken virtually throughout the year. Using seeds is also a method of propagation. See more at How to Grow and Care for Stapeliads.


Piaranthus geminatus is native to South Africa (Eastern and Western Cape).

Subspecies and Varieties


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