ID needed

[jesssands]

Not sure if this is a weed or not?

[jesssands]

[Debs]

That looks like verbena bonariensis to me

Debs

[Debs]

Yes, it definitely is - just had a quick look at mine in garden.

Its a perennial which self seeds and is much loved by bees & butterflies

Debs x

[caroline7758]

Its a perennial which self seeds and is much loved by bees & butterflies

Debs x

and by lots of people, including me!

[grannyjanny]

& me. It also has square stems .

[shirlton]

Mine is always a dark purple. Never been as pale as yours. Save the seed or let it seed itself.