Tenn. Code Ann. § 43-6-202

The commissioner of agriculture shall within thirty (30) days after receipt of the notice from the county clerk as provided in § 43-6-201 declare the county to be a “Johnson grass extermination area” and the commissioner shall cause suitable notice to be published in a newspaper in the county for two (2) consecutive weeks. The notice shall specify that the county has been declared a Johnson grass extermination area and that all property owners in the county shall, not later than April 30 following the publication of the notice, take steps to control and eradicate Johnson grass on all lands owned by them or under their control. The commissioner may have inserted in the notice such other pertinent and relevant information as the commissioner may deem advisable.