Sorry, but Sisyrinchium have 6 petals this only has 5. Bugging me as I know what the second one is, but the name is not popping into the old brain.
I think No 2 is an Erigeron
That looks thirsty to me. The trouble is that roots are often reluctant to leave the compost and when that dries out there are no roots in the soil outside to take up moisture. Give it a good soaking and them mulch around the area. Hopefully it will grow a new set of leaves.
At last one I know. Pokeweed, aka Phytolaca americana
You need to either make that into a link or post the image direct using the Camera icon at the top right of the page.
Must admit it looks very much like my Inula too.
Could be anyone of half a dozen orange flowered ones. Cooky? Princess Juliana? Mrs .Bradshaw?
The kind of leeches used in medicine (still today as there is nothing better for removing poisoned blood) are extremely rare in the wild.
And since there is actually only one Bramley, growing all over the world, it would be hard for it to die.