These are excellent desert plants and will share with your Echeverias nicely. Their plump tubular gray-green leaves have a light powder on its surface, so avoid handling as skin oils will break down its soft glow. These are slower-growing and easy to care for.
A Mexican native, it blooms greenish-white and sometimes red bell-shaped flowers in late spring to summer. It's latin name means "thick leaves" and will remind you of its Baby Fingers cousin.