Yellow Strawberry Guavas is a small tree in the myrtle family, native to Mexico, Central America, the Caribbean, and northern South America. The fruits are small, averaging 2 to 4 cm, and have a round to oval shape, It is very eye-catching when fully loaded. The fruit ripens from green to yellow.Eat them fresh, add them to drinks, jams, ice creams, or anything you want the taste of guava in. Hardy to about 20 degrees so worth a shot in very mild climates, though be careful planting these in the tropics where they have become invasive in many places.