I apologize for this delayed reply to your gardening question and hope it is still helpful to you.
I would suggest that you consider one of the many crape myrtle varieties. These come in a wide range of colors and sizes so you can find several that reach the 20-25 foot range. Few trees provide flowers for as long of a period each summer than do crape myrtles.
Thanks for the question. Best wishes for a wonderful gardening year in 2007. Please stop in again soon!
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