Aloe striatula

(aka Aloiampelos striatula)From rocky places in the Eastern Cape and Lesotho, South Africa this sculptural aloe has spiraling leaves on stems to 5′ tall on plants 3′ wide terminal flowers of lemon yellow spikes in summer excellent drainage or container plant Sun Hardy to 15 F for uswe think it may go lower, references place it inUSDA Zone 8b.