30" x 36" wide, (seed propagated). Havard's Century Plant is the "big boy" of the cold-hardy Agave, growing to an imposing size at maturity! A native species endemic to the Davis Mountains of west Texas, this succulent has proven itself to be a very cold-hardy garden resident. The massive leaves are particularly wide and fiercely-spined, so give it plenty of room, and keep it away from walks and entrance ways. Plant it with the sublimely beautiful desert grass, Muhlenbergia dubia, for a striking sculptural combination. Zones 5-10. #1 gallon pot.