Cashew trees are grown in the mountainous provinces of South Central and Southeast Vietnam, in areas such as Dak Lak; Daknong; Binh Phuoc and Dong Nai ...Cashew trees are grown for 4-5 years and begin to produce flowers and fruits if grown with seeds. If they are grown from cuttings or grafted trees, this can be reduced to 3 years.Normally, the trees be needed to create foliage when trees are 1 - 1.5 years of age and are often pruned every year. When trees for fruit stage, the tree is trimmed twice a year: the first time, after the harvest is completed combined weeding in the garden, then the second times September every year