Experience is key to successful mixes and blends when using dwarf fescue.
Since 1964 Paul Albright has been dabbling in seeds. Prediction is impossible in this business. Mostly we have to make a guess based on experience and education and then plant a test patch to prove out the theory. Albright also produces custom-tailored blends and mixes for problem soils and microclimates. It is amazing the way things turn out.