Well winter's here,pretty quiet on the forum.....nothing to do except look forward to spring and contemplate,though might be picking up a few new cultivars this week. So just a couple of questions in my quest for more knowledge....and something to write :) 1. When a new cultivar is selected,does anyone know if it's generally common practice to observe the new finding on it's own roots for a while to watch it's true characteristics,then name it,graft it,sell it on....or are they commonly grafted straight away,observed for a while,then sold on?...ie the original cultivar is a plant c/w unrepeatable roots. 2. Regarding coral barks,I'd almost convinced myself that the sun was the major player in the colour as my once flourescent sango lost all it's colour,and our coldest winter did little to restore it.However Jim pointed out that the coral barks don't colour up well in places without cool winters,so that put paid to that idea.However could vigourosity be a contributing factor too? It's obvious that the new growth is the brightest,so would a more vigourous plant have to add more new cells to it's bark to cover the increasing girth of stem and branches and thus give the plant a brighter appearance? Has anyone(particularly those with several coral barks) noticed any correlation between colour and a vigourous year?.....just wondered.