Don't know if you can autumn sow them or not. That was taken about this time last year but I had grown them in pots for seed ( I'd been given 4 & 3 germinated) this yea I have about 30 I think so I hope to eat a few and grow the rest for seed.
As to name, would you believe it's called Crimson flowered
not very imaginative but there you go. I think Robinsons sell them ( about £3 for 20) and maybe the Organic gardening catalogue might but if you don't mind waiting you can have 10 seeds off me for nothing then all you need to do is grow them for seed next year yourself. (I may be able to spare more it depends how many I get). then you can save it every year just don't grow it close to any other sorts just incase they cross or save 4 plants or so and grow in pots at home they are super flowers and the scent is stunning.