Nannyberry (Blackhaw)
Viburnum lentago

Nannyberry is moderately shade tolerant.  It suckers freely, so will generally spread.  It grows to an average height of 15 to 20 feet.  It prefers moist to well-drained soil.  It has very good to excellent wildlife value, and grows very fast.  The fruit has a date-like flavor after frost. 

Photos can be viewed at:

http://www.mnpower.com/treebook/fact118.html