Norfolk Island Pine( house plant)

Question

My tree has very long branches, soom are 4 ft. long. What causes this? The plant is about 5-6 years old. Some of the long branches have falling off, The tree itself is about 5 ft. tall. What should I do to it? Thank you, Deborah Neill,
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Answer 1

Norfolk pines do grow to be quite tall and wide, so your tree is probably just engaging in its normal growth habits. If the tree looks too sparse and stretched-out or "leggy", it may be suffering from low light or these other problems:
https://www.gardeningknowhow.com/plant-problems/environmental/established-plants-leggy.htm

Also see this article about branch drop in Norfolk pines:
https://www.gardeningknowhow.com/houseplants/norfolk-pine/norfolk-dropping-branches.htm