You probably want to put plants in your yard that keep down the need for a lot of maintenance. So go armed with knowledge when you shop! Here are a few tips on buying north Texas plants that I’ve learned (often the hard way) in my 25+ years as a licensed Landscape Architect; now a Landscape Architect Emeritus.
Look for plentiful buds. Buds are flowers-to-be, so look for lots of them; as well as the overall vigor of a plant - a sign it'll produce even more buds. Plants are not “impulse items” like candy bars near the checkout at grocery stores. Since those showy flowers on plants being sold may be gone by planting time, it’s abundant buds that you really want. Lots of buds will mean lots of flowers in the future.