What is esparto?

Esparto refers to a type of coarse grass, specifically a plant that grows in arid regions and is known for its long, thin blades. It is traditionally used in various crafts and industries, most notably for making ropes, mats, and baskets. In the context of wine, particularly sherry, esparto grass has historical significance as it was once utilized in the preparation and aging of sherry. When the wine was placed in casks, the esparto was often used to help diffuse light, as well as to provide a unique earthy influence on the aging process.

This understanding of esparto as a type of coarse grass allows you to appreciate its role and significance within the broader context of sherry production and aging techniques.