Here is a suggestion from your Florida Cooperative Extension office: "Southern chinch bug management has relied on the preventive use of insecticides (Table 1). Some low maintenance lawns may be treated infrequently, but those under high maintenance may be treated every 2-3 months. If possible, use spot treatments when localized infestations are first noticed and damage is minimal, rather than broadcast applications."
More information is in this document:
Hope that helps.
Thank you Steve.
Steve, what does chinch bug damage look like on St. Augustine grass. I have been attempting to get my St. Augustine to take over my yard for years but it's been slow moving. Of course I have neighbors who walk their dogs around y courtyard and the animals love to put up the runners and chew on them and, of course I have the doggie urine which kills my grass. I am an animal lover, but I'd love their animals to stay away from MY yard.
Charlynn, you are welcome. Glad I could help.
Pam, the link I posted above should answer your questions about chinch bug damage. As far as the dogs, there are some suggestions here:
You could also search for "dogs on lawn" at the top of the page for more discussions and ideas for repelling the neighbors' dogs.
Thanks Steve. I'll check this out.
Steve, My St Augustine lawn has yellow spots. I've determined it's not chinch bugs but perhaps a lack of iron, even though I routinely apply grass food. What can I do to release the iron that may be trapped in the soil? Or any other suggestions?