CBG creates international links by exchanging of scientific information, seeds and sowing materials, joint scientific investigations and participation in international conferences. CBG has seed exchange programs with some of Botanical Gardens of Japan, Germany, Sweden, Russia, Great Britain, Greece, Bulgaria, France, USA, Finland, China, Rumania, Austria, Italy and Turkey every year. Based on this program seeds of Aceraceae, Alliaceae, Anacridaceae, Araliaceae, Asparagaceae, Buxaceae, Cupressaceae, Fagaceae, Iridaceae, Liliaceae, Pinaceae are available for ordering.