Roadside beside arable land

Roadside beside arable land

Observation - Roadside beside arable land. Description: I saw this flower several times, looked like a garden escape but I then saw it in places remote from habitation and fly tipping. Can someone confirm or refute my ID?

I saw this flower several times, looked like a garden escape but I then saw it in places remote from habitation and fly tipping.
Can someone confirm or refute my ID?