Plants can grow in regular tap water from inside the house or from the hose in the yard. However, the best water for plants is distilled water, which does not contain chemicals. Leave an open container of tap water set for several days to remove any chlorine added by the municipal water department.
About this Author
Daniel Smith graduated from technical school in 1993 and has been writing since 2005. His has written numerous articles for the instructional website called eHow in areas including gardening, home improvement, celebrating special events and health-related topics.