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• South Africa is not spared from the adverse effects of climate change which alters the ecosystem and have a ripple effect on food security. • This paper reviewed the impacts of climate change on the phenology, physiology, and economic benefits of wild fruits and vegetables in South Africa. • The possible productivity of wild fruits and vegetables was evaluated with spatial-based data through land use/land cover which showed that South Africa had varied vegetation and land cover dynamics. • There is a need to develop cultivation strategies for edible wild fruits and vegetables to expand knowledge and create options in utilizing the wild species. • This will boost the country's economy, help to improve diet, and can play a crucial role in food security. Overdependence on exotic plant species constitutes a major setback for the consumption of wild fruits and vegetables among South Africans. The country is not spared from the adverse effects of climate change which play a substantial role in altering the ecosystem and have a ripple effect on food security. Wild fruits and vegetables have been identified to be underutilized despite the country's struggle in nourishing its population. This paper reviewed the impacts of climate change on the phenology, physiology, and economic benefits of wild fruits and vegetables in South Africa. Furthermore, spatial-based data was used to evaluate the possible productivity of wild fruits and vegetables through land use/land cover (LULC) assessment. The result showed that South Africa had varied vegetation and land cover dynamics. For example, Northern Cape and Western Cape Provinces are dominated by shrubland and barren land, thus unsuitable for fruit and vegetable production. In contrast, Limpopo, North-West, Mpumalanga, Gauteng, Free State, some parts of KwaZulu-Natal and Eastern Cape Provinces are covered with grassland and cultivated areas which made them good for vegetable farming and potential ground for wild fruit and vegetable cultivation. Thus, there is a need to develop cultivation strategies for edible wild fruits and vegetables with known nutritional characteristics to expand knowledge about nutritional benefits and options in utilizing the wild species. This will boost the country's economy, help to improve diet, and can play a crucial role in food security. [ABSTRACT FROM AUTHOR]