It is grown in a pet's garden from the special Fizzy Fruit Mystery Tree Seed. To get this seed, you must purchase a bottle of Dr. Pepper in real life and get a code from the inside of the soda bottle lid. This code is redeemable at the Dr Pepper promotional website at . These bottles are only sold in the United States; if you are outside of the US you can only get this seed by trading. Fizzy Lemons from this tree can be used to fish at the Pet Society Pond. These fruits will only catch common fish and decorative / junk items.