I recently moved into a home near Elkton,VA which has a number of 4 four foot tall evergreens which have been pruned into a fancy sort of corkscrew shape. I see this kind of pruning - more like shaving really, has created lots and lots of angled cuts along the tips of the branches. It seems to me that these fancy little stylized trees would be vulnerable to dehydration and winter burn during the cold season.
Would it help to spray them with horticultural oil, or with something else?
Secondly, I read on the wesite about spraying horticultural oil to control any insects - so apart from winter burn, is horticultural oil just a basic good thing to use on evergreens? Or is it only for deciduous trees? Elkton, VA
