Guava, also known as poor man's apple, which are true about it? A. Guava also called as apple of the tropics, B. A guava fruit may also contain about five times the amount of vitamin-C than an orange, C. It can be grown successfully in soils with pH upto 8.5, D. Guava is grown successfully in temperate region upto 4500 m above mean sea level, E. In India, the best quality guavas are produced in Allahabad and adjoining areas in Uttar Pradesh.