Malva sylvestris, perhaps. Here is a link that might be useful:

Yes i can send you a few cuttings of the busy lizzy show in my photo ..if you are on Facebook you can easily find me...or you can write me a letter my address is 24 glenamoy lawn Mayfield Cork Ireland..i would have to figure out the best way to send it as these cuttings are fragile but im sure i can find a way..either way let me know what you think.. Regards David...

Maybe can save seeds, depending on what tonight's forecast freeze will do to the plants. Will you want some? As we know, resultant plants will not necessarily produce pink flowers. Not OT your Turk's Cap. My understaniding is that your case and mine are results of different genetic expressions. Not that I know much about either.

Dianthus barbatus, Sweet William. I have never heard them referred to as Pinks. That name usually applies to other small flowered Dianthus with single rather than bunched flowers. The scent of SW is nothing like as delicious as Pinks.