Nigeria is blessed with various ecology ranging from the mangrove swamps and rainforest in the south, derived and guinea savannah in the north. These agro-ecological zones provide suitable climate and edaphic conditions for the production of various tree crops both local and exotic. This paper discusses investment opportunities for tree crops development, processing and marketing in Nigeria, the development of which will contribute significantly to economic growth and development of the country. The paper therefore encourages both local and foreign investors to exploit the opportunities in the tree crops sub-sector of the Nigerian economy. Keywords: Tree Crops, Farming System, Capital Investments,Crop Processing, Export