I always pot-grow a couple of early sown Garden Pearl. I start them indoors at the beginning of February and keep them indoors until about April when they go out for the day and back in at night, whilst nights are still cold. They usually start ripening in June.
People say they aren't the tastiest, but they're tons better than supermarket ones and the earliest ripening I've found. They get junked once the others start ripening, to give me more room on the bench.