Posted: 30/03/2013 at 08:55
Hi, I know we used to call these geraniums, but nowadays they're pelargoniums - that might help you in your searches 
They are frost tender so need to be overwintered indoors in frost-free place, or my granny used to dry them off and put them in their pots in cardboard boxes under the bedi n the spare room.
Here's a delightful video http://www.youtube.com/watch?v=58vEb75lzuc . It's not the most detailed, but I'm sure it shows you all you need to take your cuttings, and it is charming - I love his shed 