Grows into a very large tree
Back right looks like Praying Hands, there are so many different Hostas it's difficult to ID them.
I believe it's Polygonatum Betberg, a dark leaved variety of Solomon's Seal
I'm thinking it's celosia argentea spicata.
Lyn the photo is from a Facebook group, taken last year at a motorway service area.
You can cut anything that's on your side back to the boundary, there is nothing she can do, just offer the branches back to her.
Geum Urbanum or Wood Avens ?
Is it possible you have overwatered it ?, blueberries don't like it too wet.
I have the pink, red & white RIO Mandevillas, got them from my local nursery so they are out there, I'm in West Suffolk though.
Mike there are no Tomatoes with fish genes in, there was an idea to do this but it was quickly dropped.. Tomatoes need a minimum of 10c below this they suffer, purple curled leaves are a sure sign of cold damage.