Lilac that has grown too tall

I have a lilac, not sure what type, purchased 3 years ago.  It is a shrub not a tree and has a main centre stem. This has grown to about 12 feet, 4 or 5 feet above the other stems,…

Lilac tree looking thin and blooms are sparse

We have a lilac tree that is getting thinner looking each year and has fewer blooms each year. As you can see in thd phito, the blooms are not full and there sre several branches with nothing on them. There…