Dame's-Violet
Hesperis matronalis

Family: Mustard (Brassicaceae)
AKA: Dame's Rocket
Photo taken on: June 24, 2009
Location: Almont, CO
Life Zones: Plains to montane
Habitat: Disturbed soil

Grows to 3ft tall. An escapee from wildflower seed mixes.

Flora of North America reference.

NOXIOUS