Norfolk Island Pine (Araucaria heterophylla) is native to tiny Norfolk Island located in the South Pacific. This tropical evergreen tree is now planted around the world and appears to be hardy in Northern Florida (USDA hardiness zone 9). In the wild this fast-growing tree grows to 80 feet in height. Norfolk Island Pine makes a great house plant where it may range from 2 to 10 feet high.
Optimum room temperature should be around 65 -75° F and avoid cold air drafts and wild shifts in temperatures. It thrives in bright light but not in direct afternoon sunlight. An east or south facing window in your home is ideal. Rotate the plant at least twice monthly so that your tree stands tall and straight. Mist daily to increase the winter room humidity.
Water the plant weekly in spring summer and fall, but reduce watering frequency from December thru mid-March. Every 3-4 years repot into a larger sized container and fill with new potting media. Disturb the roots as little as possible. Fall seems to be the proper time to replant.
Feed monthly in spring and summer with half strength of a water-soluble fertilizer such as Schultz™, Miracle-Gro™, Daniels™, or equivalent.
Container size controls the ultimate height and spread of your Norfolk Island Pine. Larger pot equals larger plant. Prune off all dead or yellowed twigs and branches at any time. The short light green needles are shed after 2 to 3 years. New outer growth generally covers over most needle lost.
Once threats of spring frost have subsided, Norfolk Island Pine can be moved outdoors under a shade tree and cared for. You may decorate it as a living Christmas tree. Remove all ornaments once the holidays are over.