Cindy,
You and I share the same climate unless you are in the metropolitan Dallas area where you may have more of a heat island effect than me. We both use automatic watering systems and probably planted out very close to each other. My plants mostly have the exhausted look with bare vines up to a couple of feet from their tops where they are growing and blooming. At this point, I play a watch and wait game. If my plants start generating growth from the bare stems near the soil, I trim them back to the new growth. If they don't generate new growth, I either remove them and plant new plants or simply allow the tops to continue growing and produce again when the weather cools.
I am surprised your plants look so good this late in the season. It may be a result of the varieties you are growing as well.
Ted
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