A Guava is a very healthy fruit that many people recommend for a healthy food. You may think they are disgusting like other healthy things, but it will help your body stay strong with vitamins. It's rich with vitamins A and C, Omego-3, and 6 polyunsaturated fatty acids (mostly found in the seeds that have to be chewed for Omega fats) and plenty of dietary fiber. Guava fruits are adapted to tropical climate conditions. They grow in the temperatures of 73 degrees Fahrenheit to 82 degrees Fahrenheit. If the temperatures are lower than 60 degrees Fahrenheit then it will slow down the growth of the guava tree or even stop it. Guava fruits are packaged in small polystyrene trays coved with PVC film (see-through film used to cover objects with) or in a PET (a type of company that makes plastic containers like water bottles) container and lid.