From The Daily Signal :
Louisiana is the only state that requires florists to obtain a license. The state eventually ended the practical part of its exam, which, as Shoshana Weissmann and C. Jarrett Dieterle  explained in USA Today, involved subjective judgment of bouquet arranging.
- “The Daily Signal”: https://www.dailysignal.com/2019/06/13/how-occupational-licensing-reform-helps-women/
- “Shoshana Weissmann and C. Jarrett Dieterle”: https://www.usatoday.com/story/opinion/2018/03/28/louisiana-only-state-requires-occupational-licenses-florists-its-absurd-column/459619002/