It looks like a variety of what I always called 'hens and chicks', a succulent. They grow outdoors here and will spread by sending out 'chicks' from the mother plant. Yours may be meant for a house plant? It does look flower like, but those are leaves not petals.
The botanic name is Sempervivum. They grow on house roofs and traditionally protected the house from lightning strikes, and another interesting colloquial name is "welcome home husband however drunk you be". 'swhat it says in my book anyway.
Stinging nettles are edible. But I really want to see you try to eat this tiny ad:
2 decks of gardening and permaculture playing cards - The Purple Deck