Hello. I had these growing in my garden -- lots off them -- but did not plant them. However, I pulled them out but left a few to see what if anything they were; looks like forget me nots , but has something on the leaves. Can you advise what this could be, and how I could get rid off problem please. Thank you Rosalind
It does appear to be Myosotis sylvatica, the wood forget-me-not or woodland forget-me-not.
From the image it may be infected with Powdery Mildew.
This article will help you.