Re: Yucca blooms starting
No nothing that exciting, I spend most of time in Toronto some 250km from my garden (I work in plant genetics research, specifically on breeding systems), so timing things to get there for blooms is a little tricky. I have tried only perhaps ~6 crosses. The only real takes were when I force selfed a seedling of Tim's recurv (gloriosa?) x filata. However, I also got seed pods forming on the flowers that I did not pollinate, so obviously the moths got in there too... I'm growing ~200-300 seedlings from this "cross" as we speak to select for the best, zone 4 hardy, plants in the bunch. Hopefully there will be some trunkers with extreme hardiness! I did this same method for seed grown Yucca recurvfolia and gloriosa here (Tennessee seed) and have perhaps only 4 or so Yucca gloriosa left that are looking good after their 3rd winter! Non-selected forms of both of these species are killed after 2 years here. As was a hybrid "Southcoast Yucca" (O.P. Yucca alofolia x ?) that was hardy for a few years in zone 6 Southern Ontario but was killed by the extended cold last winter. I had sent a small plant of this to Tim a few years back.
Nearly all of my other hybrids have come from Tim Behan, and most are not of flowering size yet, so I haven't had a chance to play with crosses.
I'd love to see some kanabensis crosses (I saw it in the wild and the leaf colour is amazing), and perhaps more with rostrata (a cross with the northern forms of glauca would be amazing).
I should also mention that I am in a wet, cold, USDA zone 4b/5a. This greatly limits my ability to grow many species! My thought is that I'll probably need to use Yucca glauca or a Yucca glauca x filamentosa hybrid to get hybrids with any chance of being long term here. Yucca filamentosa does OK here but the leaves will be damaged in 50% of winters. Y. glauca seems to be rock-solid never showing any winter leaf damage.
Ok, that was a lot of writing!