Thank you so much for all of your help and advice - I really appreciate it!!! Hmmmm I will have a think whether I want to wait a bit more to see...
Many thanks for such a detailed reply! Is the 'turning into wood' the phenomenon known as 'corking'? I have removed it from its pot, as I said...
I have had this cactus since last Summer. It was doing fine. It is kept in a window with plenty of sunlight (gets the sun from about 3pm til...