Agave victoria regina
(This plant comes in a 3.5" pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).
Agave victoria regina is a beautiful and slow growing cactus. Its leaf margins are smooth and spineless and when it flowers it produces gorgeous red/purple flowers.
Recommended temperature zone: Sunset: 10-13,15-17,21-30, USDA: 9-12
Minimum avg. temperature: 50°F (10°C)
Heat tolerance: Excellent
Sun exposure: Full sun
Origin: Nuevo Leon, Chihuahua, Mexico (where it is endangered)
Growth habits: Slow growing succulent rosettes to 18" in diameter (45 cm), most populations are solitary, but some offset heavily
Watering needs: Infrequent water
Propagation: Seeds, or offsets if any
Blooming habits: This slow growing agave might take 40 years before blooming, the flower stalk is 10 to 15" with pale green to cream flowers. The plant dies after blooming.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz