The culture of Mexico has profoundly influenced the architecture and cuisine of the Gulf Coastal Plains, especially in regions like Texas and Louisiana.

This influence is evident in the vibrant architectural styles, such as adobe buildings and colorful facades, reflecting a blend of Spanish and indigenous designs. Mexican cuisine has also left a lasting mark, with staples like tortillas, beans, and spices becoming integral to Southern cooking. Dishes such as enchiladas, tamales, and tacos are widely enjoyed, showcasing this cultural fusion. Festivals and traditions, including Día de los Muertos and Cinco de Mayo, further celebrate this rich heritage, making the Gulf Coastal Plains a unique melting pot of cultures.