How tall does a braided azalea tree get?

Depends on the azalea bush. There are miniatures that only get about a foot and a half wide and high. And there are giants that get taller and wider than a man. But most azaleas fall in the 3 x 3 foot to 6 x 6 foot range. You need to either: Look up the information on the name of an azalea you really like, and then figure out if you have the space for it; or: Decide what size azalea would fit in the space you have, and then browse your nursery or the internet until you find an azalea that size.