A few years ago I read a book about medieval herbalism and, as I am wont to do, afterwards decided to make it a part of my life. I could be a herbalist! So I sent off for a load of seeds from a specialist shop and when they came, rather than sticking them in a drawer like I usually do, I scattered them all over the garden. All kinds of different seeds. Over the years various plants have come and gone but one seems to thrive but I don’t know what it is. It’s either Crimson Parsley, Herb Robert or Feverfew. Or a mixture of all three. The problem I have now is that, whereas Parsley is good for cooking, and Herb Robert is OK, Feverfew is, I think, poisonous. This is complicated further by the fact that there is no such thing as Crimson Parsley.