Before you press the "blend" button, your favorite green smoothie is missing one ingredient that may never have crossed your ...

speckled (pink), and green-stalked. Celery, Apium graveolens, is a biennial plant in the Apiaceae family. It is primarily cultivated for its crisp, fibrous stalks. It is a popular ingredient in ...

Celery should have crisp long stems attached to a sound base and the leaves should be vibrant and green. It should have tightly packed, firm heads with no brown patches on the outer layers.