Lilac Questions

[Monique Reed]

The white, at least sounds like powdery mildew.  Many lilacs are very 
susceptible.

M. Reed
>I received a lilac bush, about 3 feet tall, three months ago.

>I didn't have a place to plant it, so I left it in its pot.  Well, three
>months later, the bush is not happy.  The leaves are wilting and have a
>white deathly look to them.

>My Question:

>I live in Wisconsin.  Should I plant this lilac in the ground, so close
>to winter? Should I move it to a bigger pot?  Take it inside for the
>winter?

>Thanks for your help!