Ah, yes, I have heard that name before – of course they are Sempervivum or houseleeks (now that doesn’t sound anywhere near as nice) what I meant was I didn’t know the individual varieties 🙂
Earth laughs in flowers 
what is the name of this one?
Sorry I don’t know the names of most of these – I shall try and find out.
most of them are Hens and Chicks
Ah, yes, I have heard that name before – of course they are Sempervivum or houseleeks (now that doesn’t sound anywhere near as nice) what I meant was I didn’t know the individual varieties 🙂