Home to more than 20,000 native South African plants, set on a sprawling reserve with walking trails In a beautiful setting on the eastern slopes of Table Mountain, Kirstenbosch Botanical Gardens are part of the Cape Floristic Region UNESCO World Heritage site. The site was bequeathed to the state by Cecil Rhodes in 1902 and the gardens were established in 1913 to preserve the country's indigenous flora — one of the first botanical gardens in the world with this mission. More than 20,000 native South African plant species are collected, grown, and studied in the hilly 528-hectare nature reserve of indigenous forest and fynbos.