First signs of drought edges and hot spots:
Improper watering ledge, rock areas, septic tank covered with soil cause drought stress.
New Plantings causing other hot spots:
Notice the V Shape -New Shrub or any type of obstruction can be a part of the Cause
Common watering problems:
Sprinkler head sunk down into the soil over winter will form brown “C” shape patterns along the edges and form large circular patterns in the middle of the lawn.