Maryland Code, Agriculture § 14-101

(c)(1) “Hemp” means the plant Cannabis sativa L. and any part of that plant, including all derivatives, extracts, cannabinoids, isomers, acids, salts, and salts of isomers, whether growing or not, with a delta-9-tetrahydrocannabinol concentration that does not exceed 0.3% on a dry weight basis.

(2) “Hemp” does not include any plant or part of a plant intended for a use that is regulated under Title 13, Subtitle 33 of the Health--General Article.