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No, you shouldn’t water your lawn every day in hot weather—or ever. For most lawns, one to three water sessions per week is sufficient. When it’s above 95 degrees Fahrenheit, watering your grass can be wasteful since the heat from the sun often evaporates the water before your lawn fully absorbs it. That’s why the best time to water grass in summer is at dawn or in the early evening (between 4 p.m. and 6 p.m.).

Every lawn is different, but mowing at least once a week is a good goal to stick to. If you’re seeing a lot of rain, or if you’re fertilizing your grass, you may need to mow as often as every four days. Either way, always follow the one-third rule: Never mow more than one-third of your grass height at once, as this can weaken it and prevent it from taking in all the proper nutrients from the soil.

The first step is killing any current nutgrass plants, either through application of herbicides or sugar, by digging up the plants and rhizomes, or by using soil solarization. To discourage new nutgrass plants from forming, ensure proper landscape drainage and bring shade into areas of the lawn that are consistently damp.

Yes, Bahia grass spreads on its own thanks to its short stolon system. However, it might not seem like your Bahia grass spreads well due to its slow growth. Bahia grass takes around 3 to 4 weeks to germinate and an additional two weeks to grow thicker. 

During this time, fast-growing, competitive weeds may pop up, so weed your lawn to give your Bahia grass a chance to grow. This grass can take up to two years to become established. Once established, Bahia grass typically does well in suitable climates.