Answer: You may be asking a lot of any turfgrass you plant! Bermuda grass is drought tolerant once established and it may work for you. My first suggestion is that you keep the turfgrass area small and confined to the sunniest spots in your yard, then landscape around your small grassy area with plants that are drought tolerant. North Carolina State University has a terrific publication devoted to drought tolerant landscapes and it describes how to prepare your soil for both grass and flowers. Here's the web address:
You can print this publication for future use.
Best wishes with your landscape!
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