I've had some questions about the color of the fairways recently and there are several reasons that this is happening. First, we had a very dry month of April ( .2" of rain for the month versus an average of 3"). Secondly we had frost Saturday morning April 21st following several cool nights in the previous weeks. Frost is very hard on warm-season grasses like Zoysia because it is not adapted to cold or freezing temperatures which cause it to regress to a dormant state, in this case yellowing. Thirdly, like every year at this time, the Zoysia is putting on seedheads. All of the energy that the plant has is going into seedhead production which makes it look weak. This will last 2-3 more weeks and then the zoysia should start getting it's normal color back. If you have any further questions please do not hesitate to contact me.