Sweet rocket, also known as Hesperis matronalis, is a flower that produces a fragrant aroma and delicate white or purple blooms. There are several synonyms associated with sweet rocket, including Dame's Violet, mother-of-the-evening, and Queen's Gilliflower. These names reference the flower's pleasant scent and its use in traditional herbal remedies. Sweet rocket is also commonly referred to as a biennial flower, meaning it blooms every other year. Its sweet fragrance makes it a desirable addition to gardens, especially when planted near windows or outdoor living areas. Whether you call it sweet rocket, Dame's Violet, or Queen's Gilliflower, this interesting flower is a beautiful addition to any landscape.