From Mexico, this species consists of large, stemless rosettes of
stiff, dull gray leaves with sharp tips and teeth.
Each rosette grows to a height and spread of 6 ft (1.8 m) but an old
clump may be 30 ft (9 m) or more across. The plant bears masses of
yellow flowers on a branched flower stem rising to 20 ft (6 m) when
about 10 years old.
Popular cultivars include Marginata with yellow-edged leaves and
Medio-picta with a broad yellow stripe down the center of the
Cultivation: Plant in a well-drained, gritty soil in full sun.
Water regularly in summer.
Propagate from offsets or from seed