But now that the brutal summer heat has officially settled into the Ark-La-Tex, some of those daily yard habits might actually be doing way more harm than good. They warned that scorching heat, high humidity, and random summer rain showers make caring for Louisiana lawns a whole different ballgame. If your yard is starting to struggle, LSU Ag says one major culprit is usually to blame: overwatering. However, LSU Ag points out that daily, shallow watering actually cripples your lawn. Giving your lawn a little room to breathe might just save your summer yard.