According to Vastu Shashtra you can keep money plant. In this question it is not conform where is the balcony and in which direction is your Balcony. The best place of keeping money plant in North East and South West direction. It should be keep / plant on Uttar Falguni, Uttarshadhra, Rohini, Mrigsira, Revathi, Chitra, Mula, Anuradhara, Hastha and Pushya nakashya. It should be plant in new soil pol. The plant should be always green. If it is planted with Vastu rules than it is beneficial fore owner.