Question
I would like to know if there is such a thing as a miniature dogwood tree.  I live in New Jersey and would like to keep a small dogwood tree, in a large pot, on my balcony.

Answer
There is a couple of dwarf dogwoods. (Cornus florida Little Princess and (Cornus cadensis)
a.k.a. bunchberry, pigeon berry

Here is a web limk to information on it and another to a site that sells both. I would check with your local nursery and see if they had them or could get them for you.
http://www.bcadventure.com/adventure/wilderness/wildflowers/dwarfd.htm