Aloe rubroviolacea
Aloe rubroviolacea is a sprawling, clump-forming aloe from the high escarpments of south-western Arabia, with prostrate stems to about 1 m and rosettes of broad blue-green to red-violet, pruinose leaves up to 60 cm long. Its bright red flowers are held on racemes up to 1 m tall. It is a mountain plant of rocky slopes at 2,000 to 3,300 m, so it wants full sun, a lean mineral soil, cool nights and a dry winter.
Where it grows wild
It grows on rocky, often well-vegetated hillsides and escarpments in the high mountains of Yemen and the Asir region of Saudi Arabia, frequently hanging from ledges and cliffs.
Most wild collections are from 2,050 to 2,900 m (Jebel Shibam, Jebel Sabir, the Raidah escarpment near Abha, Al-Sawdah), and the literature gives up to 3,300 m. One record at 550 m in Abyan is an outlier.
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The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:
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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.