Nice plants, Audrey! Your A. salmiana looks quite different from mine. I wonder if it is one of the nice cultivars that are around like. Mr. Ripple or 'Crazy Horse', a beautiful plant and yes it has grown a lot!
My two in the ground plants escaped the attention of the camera lens during the latest round of pictures, I will have to remedy that.
Instead here a couple of Mangaves that I got from Plant Delights Nursery a while back:
Mangave x 'Mission to Mars':
and
Mangave x 'Inca Warrior':