This latest edition contains information on 482 of the most common species found in the state's major vegetation zones. Each entry includes a full-color photograph of the flower on the page facing the entry, bloom period, range and habitat, and botanical description. A special note in each entry explains the plant's therapeutic, culinary, and other traditional uses, such as landscaping value.

A color map of Texas shows the state's major vegetation zones, corresponding to the range codes used in the text. Other supplementary material includes a glossary of botanical terms, an illustrated glossary of plant parts, and a selected bibliography for future reading.