Grass growth retardant for steep slope quarter of an acre in Co. Kilkenny? Please recommend a product. In USA this product is sold for that purpose RITE-HITE® CONCENTRATE GROWTH RETARDANT- Growth Retardant #S6532
There is no grass growth retardant available to amateur gardeners but there is a product called Primo Maxx which is for use by professional horticulturists, available from National Agrochemical Distributors in Dublin.
This only slows grass growth and , because grass species grow at differing rates, the result is uneven.