St. Augustine is susceptible to the diseases brown patch and St. Augustine decline. It's also susceptible to chinch bugs. A new variety of St. Augustine, called Floratam , resists St. Augustine decline and is reported to have some resistance to chinch bugs. It's a vigorous, coarse-textured grass that should only be planted in the coastal areas because of freeze damage. Centipede grass is susceptible to the disease brown patch.
Zoysia grass is susceptible to the rust diseases.
Centipede is the most popular lawn grass now, followed by St. Augustine. Consider the advantages and disadvantages of these adapted grasses and choose the one that fits your needs best. For more information on selecting lawn grass, contact your local County Extension Office.