November. By the end of November, it's time to stop watering your lawn. In most areas, fall holidays, or around November 24, are the last days to water the grass.

With deep watering, you only need to water perennials, trees, shrubs, and sturdy vegetables every 1 to 3 weeks.You can avoid plant diseases, like powdery mildew, by keeping plant leaves dry.

If you think of a tree as a giant straw that sucks water out of the soil, you miss a big part of what makes trees tick. The straw analogy will work to get water up about 20 or 30 feet.