The plant is likely the Guava (Psidium guajava), a common fruit tree that can be grown in a large pot. It needs a sunny spot and a well-draining growing medium to thrive. Your plant seems to have been ...
Your guava plant looks stressed. The yellowing leaves indicate that the plant is suffering from a lack of water, nutrients or both. As the pot looks small, it is possible the guava plant has exhausted ...