While specially adapted plants such as mangroves can grow in salt water, common plants struggle in either salt water or sugar water because their roots are not adapted to absorb either. Tap water works best for most all flowers, vegetables and house plants.
About this Author
Rogue Parrish has written two travel books and edited at the "The Baltimore Sun," "The Washington Post" and the Alaska Newspapers company. She began writing professionally in 1975. Parrish holds a summa cum laude Bachelor of Science degree in journalism from the University of Maryland.