Most matcha sold in the West is blended from several regions. Keeping a garden separate costs more and makes a less consistent product. It is also the only way to taste where it came from.

The terms are not regulated, which means they describe intent rather than a standard. Here is what actually separates one grade from another.

The difference between a smooth bowl and a gritty one is rarely the powder. It is sifting, water temperature, ratio, and the shape of your wrist.