According to the official website of the city of Metz, at the end of 2017, the Botanical Garden of Metz is labeled1 Botanical Garden of France and French-speaking countries. However, according to the official website of the association JBF, the botanical garden of Metz is being certified through a sponsorship: "A garden, member of JBF and still young or not having all means or criteria required to apply for an accreditation to the charters of the Botanical Gardens of France and French-speaking countries may apply to be sponsored; a file, much less heavy than for an approval, will then be opened and at the end of the procedure the sponsorship will be put in place, this can also constitute a first step before applying for the approval "