Golden Promise: A type of barley first available in 1968. It boasts a sturdy straw as well an early maturation (as early as July, compared to Optic barley’s August harvest time). It was massively popular and peaked when it enjoyed 90% of the barley market share during the 1970s. It has since been overtaken by newer strains of barley, but continues to be the sole choice for the Glengoyne and Macallan distilleries.
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