Thanks Sarah. I am cross now as I didn't think of eating the flowers! >:( Oh well, I will know better next time. I have nipped the flowers off them, I think about 6 have have produced flowers and I will see how they go.
PS. Tim and Phil, I know, I know.....My pens are normally fine, but I used old CDs as markers and wrote on them, and within days they were gone! :'(