On Feb 4, 2013, at 3:29 PM, Peter Taggart wrote: > This is also the case with calsibs at tetraploid level- some amazing > flowers are apearing! > Peter (UK) > Dear Peter and all, Calsibes are almost as impossible as either of its PCN or 40 chromosome Siberian parents. Not an improvement in vigor which is high on my priorities. Nice IF you can grow them. Jim W.