This variety is also called Black Mango because its skin is dark violet in color and its pulp is red in color. This mango also has very little sugar and is more acidic in taste which makes it a perfect variety of mango for consumption for diabetic patients.Blackstone Grafted Mango is the must plant you need to have it has Mild in taste and blackish in colour, The flesh of this variety is not sweet like other varieties but is great for salads and pickles.