Posted: 26/08/2013 at 09:02
My lilac, after about 15 years was enormous and blocking the path. It had more than one stem. My OH cut off the main trunk, which was 5" diameter and growing out sideways, about 3 years ago which reduced it considerably in size. It has grown quite a bit since but at least the trunks are growing upwards. It is 11 feet tall and 6 feet wide. This is it in May, it had been nearly twice the width. Also it has been thinned out a bit. However, I have another lilac with double flowers which is much smaller, same age.