SierrablenPlus gives grass energy!           The right solution for every phase of the season In order to achieve optimum nutrient levels for the grass, we have divided our SierrablenPlus range into four growth phases, namely:   For use in spring, with the emphasis on a high level of N in order to achieve a good start to growth.   For use in the spring and around the time of overseeding.   For use with new turf, renovation or overseeding.   For use in the late summer and autumn with a high level of potassium, giving the grass optimum strength as winter arrives.