Williamson Tea is well known for it Earl Grey Teas. Actually, the tea is award-winning. But, the company also makes other varieties of Earl Grey, including Duchess Earl Grey and Earl Grey with Blue Flowers. But, Williamson Imperial Earl Grey also known Williamson Imperial Grey. For this tea, Williamson uses premium tea leaves that is blended with special Mediterranean bergamot oils. The tea has a subtle taste and delicate flavor.