<Tr> <Th> Area </Th> <Td> 40 hectares (99 acres) </Td> </Tr> <Tr> <Th> Opened </Th> <Td> 1857 </Td> </Tr> <Tr> <Th> Owned by </Th> <Td> City of Ballarat </Td> </Tr> <P> The Ballarat Botanical Gardens Reserve, located on the western shore of picturesque Lake Wendouree, in Ballarat, Victoria, Australia, covers an area of 40 hectares which is divided into three distinct zones . The central Botanical Gardens reserve in the' gardenesque' style of the Victorian pleasure garden . On either side there are open parkland buffers known as the North and South Gardens . The Gardens celebrated its sesquicentenary (150 years old) in 2007 . </P>

When were the ballarat botanical gardens created and who by