Oppressive heat and humidity are a part of the late summer here in south Louisiana-- as much as good food and music are a part of our local culture. Despite the heat, gardening continues for those who can stand it.
Flower beds may not be looking their best right now. Our long growing season and abundance of insect and disease problems generally makes it unreasonable to expect all bedding plants to hold up from May through October.
Be sure to work in the cooler times of the days, remain hydrated, and take frequent breaks.