[header] How to prune a mango tree [title] Mark mango trees that require pruning with a colored ribbon. [step] Look for trees with canopies (the aboveground portion of the plant) that overlap, even just a bit. These trees can benefit from pruning side branches. 
Look out for upright branches and lower branches that reach closer to the ground. [substeps] Tie colored ribbons around the branches or regions of the tree that require attention.