Oakleaf Hydrangea (Hydrangea quercifolia) is one of the best picks for deep shade. It is also a low water hydrangea that actually does well in sandy soils and has lovely fall color. Photo: FhF Greenmedia/GAP Photos | thisoldhouse.com
Oh, I can't wait for my oakleaf hydrangeas to get this big! Love them!
Hydrangea quercifolia ‘Snowflake’
Oakleaf Hydrangeas: I want to add some of these to the back yard. This site has great information.