Green stands for the rich vegetation on the island, and the pine tree endemic to the island is a symbol of Norfolk Island the primary economic activity, is the main driver of economicAraucaria heterophylla (synonym A excelsa) is a vascular plant in the ancient and now disjointly distributed conifer family AraucariaceaeAs its vernacular name Norfolk Island pine (or Norfolk pine) implies, the tree is endemic to Norfolk Island, a small island in the Pacific Ocean between New Zealand and New Caledonia, about 1,440 km (0 mi) east of Sydney, Australia but is12/12/16 · A Outdoors in the tropics, Norfolk Island pines can grow more than 0 feet (61 meters) tall in time Happily, if you grow one indoors as a houseplant, you don't need to worry about it busting through the ceiling anytime soon Inside, they're not particularly fast growers Dealing With Your Ginormous Norfolk Island Pine Southern Living Norfolk island pine indoor growth rate