Realizing the need for a well designed and functioning of greening the city, the city government has decided to abandon the import of seeds and seedlings and Odessa create a botanical garden. Create Odessa Botanical Garden was necessary for the cultivation of fruit and forest species of trees to be planted within and outside the city.

According to many scientists gardeners, established in Odessa Botanical Gardens can be attributed to one of the most significant events of the European landscape-gardening crops traditionally bred gardens near various freshwater bodies in Odessa, he appeared almost bare desert, where there was even a little suitable wells.

The supervisor works became known in Europe at that time a French scientist, botanist Karl Desmet. Desmet actively starts to work and compiled them Catalogue from all ends of the earth to Odessa bring seeds suitable to the local climate and soil. Besides French botanist looking for the most favorable forms and methods of grafting trees and bushes. At the same time, the city government allocates 87 acres of land for the breakdown of the botanical garden, and in the middle of November 1819 under the strict supervision of Desmet in the area planted 120,000 saplings brought from the Crimea and Moldavia. Result works of urban gardeners exceeded all expectations.