Aloe barbadensis Miller
Native range: North Africa, Arabian peninsula
Known names: Aloe vera
Hardiness: Best above freezing. 
Mature Size: ~30" tall, spreads via offsets.
Light: 6-8 hours of direct sun for long-term care.
Water: Low, water several weeks after soil completely dries.
Soil: Fast-draining 
Dormancy Period: Winter
Pet-Safe: No
Plant Size: 4" pot
 
Tick succulent leaves resembling an alligator's tail with white spots sprinkled. Orange tubular flowers appears mid summer. The world-famous Aloe vera is used to heal burns- only if you're not allergic to it. 
This plant is best kept in a very bright room or grown outdoors in nearly full sun.