This plant if native to Western Asia and Europe.
This flowering plant is part of the mustard family and is usually known as perennial wall-rocket.
It is a common weed of disturbed areas and roadsides and it grows in clumps around populated areas.
So can hamsters eat wild rocket at all?
Yes, they can eat small amounts of this flower.
Don’t give them too much though as they will get sick if too much of this flower is eaten.