Water well throughout the season. Fertilize 2 to 4 applications of 3/4 to 1 pound of nitrogen for every 1,000 square feet of lawn. Mowed properly according to how fast the lawn grows, remove no more than 1/3 of leaf tissue when mowing.

At its core, "how often" is an interrogative phrase used to inquire about the frequency or regularity of an action or event. It allows speakers to specify a number of actions or events within a specific time frame, providing valuable insights into habits, routines, and patterns.