Agave titanota

Agave titanota

Agave titanota 19th April 2008
Photographed at the Royal Horticultural Society's garden, Wisley.

I don't know who threw the stone into the rosette, but it would take a brave person to remove it.

Agave titanota 25th September 2009
Photographed at the Royal Horticultural Society's garden, Wisley.