I live on the west coast of Florida, about 100 miles south of Tampa and near the coast. I just bought a 15-gallon tibouchina from a local nursery about a week ago. I planted it next to the front of my house which faces east. It doesn't start getting shade until about 3:30 in the afternoon. The day after I planted it all the leaves and flowers were wilted and drooping. Now they are turning brown, dying, and falling off the tree. However, there seems to be new growth toward the top of the tree. Is my tree in trouble (shock?) or is it just adjusting to its new home? Coincidentally, I also just had sod laid. So both the tree and the grass are getting lots of water.
I spent a pretty penny for this tree and can not afford to lose it. HELP!

Blackthumb7
The tree is no doubt suffering from transplant shock. Did you make sure the hole was sufficiently wide and deep, and that there were no air pockets in the soil after planting? If so, plenty of water should bring it back to its former health.

The cool, cloudy weather this week will help your plant to recover, but if you can get a piece of shade cloth and rig it up over it, for maybe the next month or two, until it can get its roots out into the soil, that will also help a lot.

This is a pretty tough time of year to plant a big plant like that. Before all this rain made it onshore, we had some pretty hot, dry weather and almost a full days's bright Florida sun is really hard for a potted plant to withstand.

Have you been watering it every day in the mornings, so that it's well hydrated for the day's heat?