Aloe rivierei
Category: Large Clumping Aloes
USDA Hardiness Zones: 9b - 11
Overview
Aloe rivierei is from Yemen and Saudi Arabia, where it grows primarily on rocky cliffs and slopes at intermediate elevations, this shrubby Aloe prolifically offsets to form relatively large clumps. This Saudi Arabian peninsula native is a shrubby, branching aloe with stems up to about 5 feet.Description
Interesting looking Aloe with underground suckering ability which creates colonies of bright yellow-green, very upright, plants on little stalks. Like many of the Arabian Aloes, the younger branches of Aloe rivierei have spotted leaves while mature leaves are immaculate or nearly so. This Aloe has very upright, bright green rosettes on narrow, long leaves with large, whitish marginal teeth, making the leaves look like they were cut out with a pinking shears. Leaves are a light, bright green. The leaves are relatively thin for an aloe and only slightly toothed along the margins.
Flowering
The flowers of Aloe rivierei are orange-red with yellower mouths. Flowers in winter are on solitary or sparsely branched inflorescences, and racemes are compactly conical.Origin / History
Native to Yemen and Saudi Arabia, where it grows primarily on rocky cliffs and slopes. It was described along with Aloe fleurentiniorum in the Cactus & Succulent Journal in 1969.
Care / Cultivation
Plants seem to do equally well in full sun and in mostly shade.Frost Tenderness
Cold hardiness unknown, but at least to 25F since not seen them stressed by winters at the Huntington.Use in the Garden
Aloe rivierei makes a good plant for use garden hillsides and slopes.
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