Answer: There is the native Hydrangea arborescens with bright white flowers and growing three to five feet tall and wide. It blooms on new wood of the season and should be cut to the ground each spring. It looks similar to the typical bigleafed hydrangeas that bloom in blue and pink.
There are some dwarf or compact varieties of Hydrangea quercifolia, or oakleaf hydrangea, naturally a big and rangy plant. These plants produce white blooms that change in color over time to pink and a deeper red. The fall foliage is a striking deep red as well. These generally do not require pruning (except for shaping or removal of any possible winter die back) and bloom on the previous year's wood.
Unfortunately, I can't think of one meeting the exact requirements. Perhaps one of these would suit.
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