Offsets or seed in spring or summer It was recently found that Agave scabra had been used to describe a plant later transferred to the genus Manfreda. This makes it invalid for this Agave and made a synonym A. asperrima, the valid name.
Aged plants start producing pups, and then emit a large spike.
When the spike has finished blooming and producing seeds, the rosette that bloomed dies. This site contains information and pictures for more than 2000 species of plants. The CD of the site Enjoy the much larger pictures.