Hoary Alison, also known as Alyssum argenteum, is a type of flowering plant that belongs to the Brassicaceae family. It is commonly referred to by its synonym, Silver Alyssum, due to its distinctive silver-green foliage. Other synonymous names for this plant include White Gold Dust, Silver Dust, and Sweet Alyssum. Hoary Alison is a hardy perennial plant that can grow up to 30 centimeters in height and is often grown for its fragrant, white, and yellow flowers. It is a popular ornamental plant, used in landscaping and garden borders as well as for its medicinal properties. Overall, Hoary Alison is a beautiful and versatile plant with many synonyms that reflect its unique qualities and beauty.