Mass. Gen. Laws ch. 128 § 86
Each container of agricultural seeds, including lawn seeding mixtures, shall also bear the commonly accepted name of the kind and variety or cultivar of those kinds which are usually named as to variety or cultivar, as prescribed by rules and regulations, of each seed component in excess of five per cent of the whole and the percentage by weight of each in the order of its predominance. When the variety or cultivar thereof is unknown, the label or tag shall have printed thereon the words "variety unknown". When more than one component is required to be named, the word "mixture" or "mixed" shall be shown conspicuously on the label. The lot number or other lot identification, the origin, if known, of alfalfa, red clover, white clover, and field corn, except hybrid corn, shall also be shown on such label. If the origin is unknown, that fact shall be stated. The container shall bear thereon the percentage by weight of all weed seeds, the percentage by weight of agricultural seeds other than those required to be named on the label, which shall be designated as "other crop seed", and the percentage by weight of inert matter. For each agricultural seed named there shall appear, the percentage of germination, exclusive of hard seed, the percentage of hard seed, if present and the calendar month and year the test was completed to determine such percentages.
Mass. Gen. Laws ch. 128, § 86