The best tequilas are 100 percent blue agave.

Made from hand-selected blue agave picked at the peak of their maturity after 7-8 years of growth.

A little touch of the blue agave now and then keeps me quick and nimble.

Around 1890, makers determined that one strain of the plant, the blue agave, produced a superior distillate.

The fruit of the blue agave used in the production of tequila.

First, they had to be made from 100 percent blue agave.

Any of these tequilas can be 100 percent blue agave - and that is the best indication of good quality.

Some even hint that their competition's 100 percent blue agave is less than pure.

I just happen to have a bottle of blue agave tucked away in my duffel bag.

I'd plant a low wall of blue agaves around my vegetable garden.