Please help, have I caused irreversible damage and if so what can I do?
I organised for the pruning of fir trees that act as dividers between the drives of my neighbour and I. Because the fir tree was encroaching into my drive by approx 50cm or more in parts (due to lack of care over the past 10 years) it involved a severe pruning as the garage door was being obstructed. I am now concerned that this will not grow again. I assume that this is a Arborvitae, could you please help me identify it from the picture? Will this grow back or has it been pruned too much? The branches that have been left are approx 75cm long, the gardener did not go back to the trunk, however, from what I have been reading I am now concerned that permanent damage has been done.
If this won't grow back, what can I do to put this right, plant some more of the same variety within the gaps?
Many thanks in advance for all your help.