Northern American Continents is located in the northern hemisphere of the earth. While planting of Batumi Botanical Garden, the coldest area of 7.8 hectare in the northern part of the garden was allocated for Phyto-geographic department of Northern America.
On its side, the department is divided into four parts:
Severe period of 90s of previous century, harsh winter had a negative on the garden plants, with some of species falling out from the collection. From 1985, 85 taxons were withdrawn from the collection of Northern American Plants in the garden. Though, withdrawn species are annually re-introduced and phyto-geographic departments are filled with new species. By the data of inventory held in 1981-85, the collection of Northern-American plants comprised 217 species and occupied the second position with its special composition after Eastern Asian plants, comprising 15% of the collection on the whole.
During 2014-2016 inventory of the ants of Batumi Botanical Garden is being implemented, after which special composition of currently existing plants will be specified in the department.
Twenty two species of Northern American Origin are included in the list of International Union for Conservation of Nature (IUCN).