Thank you all for posting your replies 😀
I’d only seen 3 by the time I’d decided what to do, not knowing what yarrow was(😲) should of bloody Googled
I bought it last year!!!
I Only now it as Achillea
Anyway I’ve left only a tiny bit as I had tiny feeling it was a plant(hope it develops and grows backðŸ˜
The second is all gone!!
Thanks again all
If I need anymore help, I’ll defo be back