Healthy Monstera roots can come in different forms. Still, aerial roots on Monstera Deliciosa usually look like brown, firm sticks that can reach multiple feet long. Younger aerial roots can start greenish and turn brown as they age. These roots do not need soil to thrive and can either attach to structures around them or drape down from their pots. Overall, healthy Monstera roots are firm and sturdy and play an important role in the plant's growth and development.