Will try DJF. I will do the manure first.. wait a few weeks and then the calcium. Even if I don’t see an improvement this year... perhaps next. I’ve seen homes that have giant Lilac bushes (darn near look like small trees) and full of blooms. Lucky people!
We had one of those “lilac trees” in the backyard of my old house. It must have been about 9 feet tall and 12 feet diameter. I’m not sure how old it was, but the house was a Victorian built in 1889 and I think a lot of the landscaping was very old, because even the grass was different than the grass in the rest of the neighborhood, and the elm out front was one of the biggest in the area. That bush grew so big that I had to chop about 2-3 feet off one side every year, or it would have overgrown the path to the gate.