The Norfolk Island pine, which comes from Norfolk Island near New Zealand, makes an excellent indoor Christmas tree. Its ramrod straight trunk bears tiers of dark green, needled branches much like those of a fir tree.
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This plant will eventually reach ceiling height, but since it responds poorly to pruning and is extremely difficult to propagate, it’s best to replace it when it grows too tall. It readily drops its lower branches in dry air, low light, or excessive winter heat.