Mine might be Gertie, I wouldn't know
second is a bulb, possibly Fritillary meleagris
3rd looks like chives,
4th is as Hostafan says, a pea, one of several thousand
Thanks pansyface - cheers
oh good, mine's a sauvignon blanc pansyface
I know nothing of annual bedding/basket etc plants but those flowers look rather nemesia-like
I would cut it right back and hope for the best. Anything that looks dull or brown can go, leave the fresh green bits.
Untended, gardens soon fill up with seedlings from all manner of plants. I haven't found this one any worse that many others and easier to remove than all the baby ashes, field maples, and their friends.
Easy from seed if you sow it now and leave it outside
That's why I asked you to post a photo Pinny