The best times to apply Pennington Bare Spot Repair Mix Central is between the Spring and Fall, as long as the tempatures are not above 85 degress.
Pennington Bare Spot Repair Mix Central contains 2 grass types, 70% Jesup Tall Fescue and 30% Spicer Annual Ryegrass, which could explain the different color shoots. We would need more information about how often, how long etc you are watering to be able to advise if you are overwatering. You can also confirm with the manufacturer regarding the coloring as they know their product best, Pennington can be reached at 800-277-1412
