Thistle sage, also known as Salvia carduacea, is a type of sage plant with purple or pink flowers that bloom in the summer. This plant is native to California, the southwestern United States, and Mexico. Thistle sage is also known by several other names, including woolly sage, thistle-leaf sage, and purple top sage. Other types of sage plants that can be used as synonyms for thistle sage include black sage, white sage, and desert sage. These plants are often used in herbal medicines and aromatherapy practices due to their soothing and calming properties. Additionally, many species of sage plants are used as culinary herbs for their unique flavor profiles.