Is it fragrant? It looks like a Japanese tree lilac.

definately an Ivory Silk Lilac

Wow - thanks! It is most definately fragrant. It's like an outdoor air freshener right now, and many people that walk by wonder what it is.

Now, thanks to you folks, I can tell them what it is. Thanks again!.

uxugrr:

Here's some information about your tree. It's official name is Syringa reticulata and its common name is, of course, Japanese tree lilac

The link below will take you to the Kemper Center for Home Gardening at the lovely Missouri Botanical Garden and provide you with some information about this plants. With a little searching, you will find excellent information about many other plants.

http://www.mobot.org/gardeninghelp/plantfinder/Plant.asp?code=C152

Hope this information and link become useful.

Bill