Don't worry - I have a very small Sorcerer's Apprentice to help round out the collection - and a couple of them have longifolium var. gracile in them. Four of them are one-of-a-kinds, in that the breeder only had one offspring survive seedling status - a few have been bred with parents from the EYOF, and one is a 4N (which I scarcely understand, but am reading about polyploidy in my 'free' time.
We'll be sorry to have you away for a whole month - to whom will I look for all the S/H advice I'm going to need?
By the way, what do you think of the
kovachii hybrids? I was told they don't hybridize very elegantly.