It shall be unlawful for any person to:

(1) Distribute an unregistered horticultural growing medium, except one exempted from the registration requirements of this article;

(2) Distribute a horticultural growing medium if the label or labeling thereof does not accurately reflect its composition;

(3) Distribute a horticultural growing medium which is unsuitable for its intended purpose or which contains substances at a level harmful to plant growth;

(4) Fail to supply the Commissioner with analyses of a horticultural growing medium when requested by the Commissioner or a person authorized by the Commissioner or this article to make such requests;

(5) Fail to cease distribution of any horticultural growing medium for which the Commissioner has issued a stop sale order; or

(6) Obstruct the Commissioner in the performance of the Commissioner's duties under this article.