Readers write in to me with all sorts of shrub problems. Here's one I received earlier this year from Theresa J.:

What can you recommend for a three-year-old rose of sharon bush that has many, many buds but will not flower?

You can read what I have to say about this and other shrub problems in my FAQ. One of the most common shrub problems I hear about is flower buds failing to open (the possible causes for which are numerous).

Read FAQ: Shrub Problems