Norfolk Island Pine

Araucaria heterophylla,Norfolk Pine, Star Pine, House Pine

The Norfolk Island Pine is a symmetrical, evergreen coniferous tree native to Norfolk Island in the Pacific Ocean. It is not a true pine (Pinus) but a distinct genus of cone-bearing trees. It is characterized by its perfectly symmetrical, layered branches that grow horizontally, forming a pyramidal, tiered shape. It is popular as a holiday or year-round houseplant for its unique, feathery texture and formal structure. It rarely, if ever, produces cones when grown indoors.

Care Guide

LIGHT

  • Requires bright light to maintain its symmetrical form and green color.
  • Place in a South, East, or West-facing window where it receives several hours of bright light.
  • Insufficient light will cause the lower branches to yellow and drop, and the new growth will be sparse and uneven.

WATER

  • Prefers to be kept evenly moist during the spring and summer growing season.
  • Allow the top inch of soil to dry out between waterings.
  • Underwatering causes the branch tips to turn brown, dry out, and shrivel.
  • Reduce watering in the winter when growth slows.

SOIL

  • Needs a rich, well-draining, slightly acidic potting mix.
  • A blend of standard potting soil with a good amount of peat moss and perlite works well to maintain moisture and acidity.

GROWTH HABIT

  • Ideal conditions: High humidity (50%+), consistent warmth (65-75F), and bright light.
  • Growth rate & size: Growth rate is slow to moderate indoors. It maintains an upright, tiered tree structure, typically reaching 3-6 feet tall indoors.

PROPAGATING

  • Propagating is difficult for the hobbyist.
  • It is theoretically possible via terminal stem cuttings (the very top growing tip), but side branch cuttings will only produce lateral growth and never form the symmetrical upright tree shape.
  • Best to purchase young saplings.

PRUNING

  • Pruning is minimal. Do not prune the top leader (the central growing tip) unless you want to stop vertical growth.
  • Never cut the tips of the lateral branches, as the brown tips will not regrow.
  • Remove only fully dried, brown, or dead lower branches.

REPOTTING

  • Repot when the plant is root-bound, typically every 3-4 years.
  • Repot in the spring or early summer.
  • These plants prefer to be slightly pot-bound, which helps control their size indoors.

FERTILIZING

  • Feed lightly during the spring and summer growing season (every 4-6 weeks).
  • Use a balanced, diluted liquid houseplant fertilizer.
  • Do not fertilize in the fall and winter.

FLOWERING

  • As a conifer, it produces cones (male and female on separate trees) but does not flower and rarely produces cones indoors.

TOXICITY

  • Toxic to cats and dogs. Ingestion can cause vomiting, stomach upset, and lethargy.

PRO TIPS

  • Brown, crispy tips are the #1 sign of low humidity or underwatering. Mist frequently and use a humidifier.
  • Avoid rotating the plant too much, as the symmetry is maintained by consistent light direction.
  • Do not use aluminum wire near the branches, as it can cause damage to the delicate "needles."

Variability in Care

Most varieties of this plant follow the standard care above, but some require adjustments.

Dwarf/Miniature Forms

  • Are suitable for terrariums or miniature indoor landscapes when small.
  • Need very small pots and careful attention to watering, as they dry out faster.
  • Growth rate is even slower than the standard form.

Large Specimens (4+ feet)

  • Require a heavy, stable container to prevent tipping due to the top-heavy, tiered structure.
  • Need more frequent watering and heavier feeding during the growing season due to their size.

Plants for Sale

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