In 1940, after the reincoporation of Southern Dobruja in Bulgaria with the Treaty of Craiova, the Balchik Botanical Garden was established at the place of the palaces park. It has an area of 65,000 m² and accommodates 2000 plant species belonging to 85 families and 200 genera. One of the gardens main attractions is the collection of large-sized cactus species arranged outdoors on 1000 m², the second of its kind in Europe after the one in Monaco. Other notable species include the Metasequoia, the Para rubber tree and the Ginkgo.