The Agave Garden is located across the main path from Saguarohenge.
It features dozens of agaves planted in interesting landscape designs.
||Octopus Agave in Bloom:
The bloom stalk is shown about half as tall as it will get (3/16/12)
It will have seeds and bulbils on the stalk to propogate new agaves.
Most Agaves will die after creating the bloom stalk as this one will, no you can't prevent it.