Invasive Plants: Dame’s Rocket (Hesperis matronalis)

 In Invasive Plants

dames rocketDame’s rocket is a member of the Mustard family and is also known as dame’s violet. This native of Europe may be either a biennial or perennial, grows from 1 ½ to 4 feet tall, and has flowers ranging in color from white to pink to purple. Flowers contains 20-35 oval, reddish brown seeds; each plant is able to produce up to 20,000 seeds This persistent plant is often sold (illegally!) in local nurseries and found in wildflower seed mixes. It has escaped cultivation and become a problem throughout the Roaring Fork Valley, tending to invade sensitive riparian and wetland habitat.

For additional information, contact Pitkin County Land Management at 920-5214 or the City of Aspen Parks Department at 429-2026.

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