Some people in Guangdong say that you can't grow papaya at home. Why?

Papaya tree According to China's folk tradition, papaya tree is an auspicious tree species, a precious tree in courtyards and towns to ward off evil spirits and avoid disasters, commonly known as "Dragon Tree". Papaya tree is the first choice for high-grade villas and private gardens at home and abroad, and is known as the treasure of the town garden. Precious tree dealers go to the folk every day to collect and buy papaya tree, which has a long tree age and a strange shape, and sell it abroad for huge profits.