Weediness
It is considered an invasive species in some areas; three U.S. states have set the following legal status for it:
- Colorado: noxious weed (on B-list), with plans for eradication or management varying by area and year
- Connecticut: invasive and banned, e.g. illegal to move, sell, purchase, transplant, cultivate, or distribute
- Massachusetts: prohibited
Dame's rocket was brought to North America in the 17th century and has since become naturalized there.
In Europe, it is host to the caterpillars of several butterfly species, including the orange tip (Anthocharis cardamines) and small white (Pieris rapae), and moths, such as Plutella porrectella.
Read more about this topic: Hesperis Matronalis