Aloe marlothii
Native range: Southern Africa
Known names: Mountain Aloe, Flat-Flowered Aloe
Hardiness: Best to keep above freezing, can handle light freezes
Mature Size: 10' H x 3' W, but much smaller in containers. 
Light: Full sun 
Water: Deep water after a dry spell. Less water in cold and extreme heat
Soil: Succulent mix
Dormancy Period: N/A
Pet-Safe: No
Plant Size: 2.5" pot
 
Single-trunk-growing Aloe. Can grow into a large tree in the appropriate environment but will still grow in containers.  Flowers grow out on inflorescence that lays a little flatter than the average Aloe.