Plants will use this fertilizer to develop root reserves to help them survive through winter and get off to a healthy start next spring. More on fertilizing. Watch your water. It's easy to do more harm than good. Never water at night.
Wet grass invites diseases .
Water between 4 a.m. and 8 a.m. when the leaves will dry quickly in the morning sun. During extended drought, stop watering and allow grass to go dormant. More on watering. Special care in shade. Anything less than this, you should consider other ground covers.