Section 22-59-11 - Connecticut grades for lawn seed mixtures(a) Conn. grade AA or Conn. gold seal, grade AA shall contain: (1) Not less than seventy-five per cent net weight of pure seed from Group I, except that, if a mixture in this grade is to be sold for a special purpose, such as seeding shady places, steep banks, etc., it shall contain at least seventy-five per cent of seed of grasses reasonably adapted for that particular use. In such cases, seed from Group II may be substituted for seed from Group I; (2) not more than nineteen per cent net weight of pure seed for Group III (Red Top or annual rye grass only may be used as a nurse grass in this grade.); (3) not more than five and six-tenths per cent by weight of inert matter; (4) not more than four-tenths of one per cent by weight of weed seed.(b) Connecticut grade A or Connecticut blue seal grade A shall contain: (1) Not less than sixty-five per cent net weight of pure seed from Group I, except that, if a mixture in this grade is to be sold for a special purpose, such as seeding shady places, steep banks, etc., it shall contain at least sixty-five per cent of seed of grasses reasonably adapted for that particular use. In such cases, seed from Group II may be substituted for seed from Group I; (2) not more than twenty-nine per cent net weight of pure seed from Group III; (3) not more than five and six-tenths per cent by weight of inert matter; (4) not more than four-tenths of one per cent by weight of weed seed.(c) Connecticut grade B or Connecticut red seal grade B shall contain: (1) Not less than fifty per cent net weight of pure seed from Group I, except that, if a mixture in this grade is to be sold for a special purpose, such as seeding shady places, steep banks, etc., it shall contain at least fifty per cent of seed of grasses reasonably adapted for that particular use. In such cases, seeds from Group II may be substituted for seed from Group I; (2) not more than forty per cent net weight of pure seed from Group III; (3) not more than nine and one-tenth per cent by weight of inert matter; (4) not more than nine-tenths of one per cent by weight of weed seed.Conn. Agencies Regs. § 22-59-11