Not really they are not very tempermental. The sooner the better. It is more stressfull on the plant to do it during the growing cycle. However,...
I recently moved to a new home and the previous owner let 2 white pines develop twin leaders. The one is about 16-18 feet tall with the twin...
I usually dig out the entire plant. Chop it in several 2 gallon size plants and replant whats left of the original in the center of the hole....
