sorry idunedain, i dont agree with your theory. I'm a pretty experienced farmer and i know about the 'growing clock; almost every day I plant 4 trees at a time (using every tree allotment). And only since a few weeks i'm confronted approx. once every 3-4 days with this 'growth lagging'. For your info, for the lower lvl trees i use supercompost, for the higherlvl i use farmerpayments. I didnt notice any difference in the lagging.. It could be a bug, but it could also be a hidden update to make frequent treefarming less attractive? I would appreciate to hear experiences from other higher lvl farmers before concluding this is just a matter of bad luck