Description : Hesperis - Dame's Rocket, Dame's Violet, Sweet Rocket (Hes'peris)
Last Answer : DESCRIPTION: This is the botanical name for Sweet Rocket, also known as Dame's Rocket or Dame's Violet. These perennial or hardy biennials belong to the Mustard family, Cruciferae, and have some of ... spring. The seedlings should be thinned to 12 or 18 inches apart. VARIETIES: H. matronalis.