What time of year is this best for viewing flowers?

Around Mother's Day the Rhodies are usually blooming but it depends on how warm the Spring is

This has been varied each of the last 3-5 years due to seasonal variations. I would contact the office for updates starting in May.

I agree with Robin, we went in the middle of April and not many of the rhodies had bloomed. Id say middle/ end of may. I should mention they have other flowers than rhodies, so even in April there were other flowers to see.

I went at the end of June and flowers were all done.