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Aloe rauhii (Snowflake Aloe)


Scientific Name

Aloe rauhii Reynolds

Common Names

Snowflake Aloe


Guillauminia rauhii

Scientific Classification

Family: Asphodelaceae
Subfamily: Asphodeloideae
Tribe: Aloeae
Genus: Aloe


This species is endemic to Madagascar.


Aloe rauhii is a small succulent that forms rosettes of gray-green leaves with white, H-shaped spots, and tiny white marginal teeth. It produces offsets around its base and creates mounding clumps. The rosettes grow up to 4 inches (10 cm) tall and up to 8 inches (20 cm) in diameter. Leaves are triangular, up to 4 inches (10 cm) long, and up to 0.8 inches (2 cm) wide. They are flushed with brown when exposed to bright sunlight. Flowers are rose-scarlet, tubular, up to 1 inch (2.5 cm) long. They usually appear in winter or spring on simple or rarely branched, up to 12 inches (30 cm) tall flower stalk.

The specific epithet "rauhii" honors Werner Rauh (1913–2000), professor of Botany at the University of Heidelberg in Germany and Director of the Heidelberger Botanical Gardens.

Aloe rauhii (Snowflake Aloe)

Photo by R. Štarha

How to Grow and Care for Aloe rauhii

Light: When growing Aloes indoors, place your plants near a southern or southwest-facing window that gets plenty of bright, indirect light. Outdoors, provide light shade, especially during the hottest parts of the day.

Soil: Plant Aloes in a well-drained soil specially formulated for cacti and other succulents or make your soil mix. Drainage is essential because too much moisture around roots can cause root rot.

Hardiness: Aloe rauhii can withstand temperatures as low as 30 to 50 °F (-1.1 to 10 °C), USDA hardiness zones 10a to 11b.

Watering: These succulents do need regular watering but are very tolerant of drought conditions for short periods. Water deeply, but only when the soil is dry. Cut back on watering during the winter months.

Fertilizing: Aloes generally do not require fertilizer but may benefit from the extra nutrients.

Repotting: These plants are not particularly fast-growing and will only rarely need repotting. Repot them in the spring in a container a few inches larger in diameter every few years to keep it from becoming rootbound.

Propagation: Propagating Aloe can be done by using the offsets, cuttings, or seeds from a mature plant.

Learn more at How to Grow and Care for Aloe.

Toxicity of Aloe rauhii

Aloe rauhii is not listed as toxic for people and pets.

Cultivars and Hybrids of Aloe rauhii


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