Water pineapple plants growing indoors when the soil feels dry to a depth of several inches, usually about once a week. The soil should drain well so plants do not get "wet feet," the University of Hawaii advises. Pineapples growing outdoors need only about 20 inches of rain annually, notes the university.
About this Author
Cameron Delaney is a freelance writer for trade journals and websites and an editor of non-fiction books. As a journalist, Delaney worked for wire services, newspapers and magazines for more than 20 years. Delaney's degrees include a bachelor's in journalism from Penn State and a master's in liberal arts from University of Denver.