There are two doublefile viburnums in the yard. I think the perfect point in their blooming was while I was out of the country, but I am including the pictures from before I left.
Viburnum plicatum tomentosum ‘Mariesii’ is a very classic version, and creates the typical doublefile look. This plant was bought bare-root.
The other doublefile viburnum, Viburnum plicatum tomentosum ‘Summer Snowflake,’ is more of an upright plant (according to the book I checked out from the library). Last year it bloomed for several months, which I don’t think is the norm for doublefiles.
Doublefile viburnums can get pretty huge (which will be nice because obviously the neighbor’s fence is ugly).