Growing Norfolk Island Pine Indoors

Botanical Name: Araucaria heterophylla 

Norfolk Island pine is an evergreen conifer that makes a handsome house plant. Its long, horizontal branches are densely covered with short, soft needles that become darker as the plant ages.

norfolk island pine, araucaria heterophyllaNorfolk Island pine is tropical, and it loves warm temperatures and moist air.

This plant not a true pine, it just looks like one. It also gets its name from Norfolk Island -- a small island in the Pacific between Australia, New Zealand and New Caledonia.

In its native habitat, Norfolk Island pine can grow up to 200 ft (60 m) tall. As a house plant, you can expect it to reach about 3-6 ft (90 cm - 1.8 m). Slow-growing, it will take several years to reach this height.

To understand how to care for these plants, remember their native environment, where they enjoy moderate temperatures, moist air and bright light. Dry air, dry soil and low light can cause the needles to drop -- and they won't grow back. They need a little extra attention, but they're worth it. Norfolk pine trees will live a long time with good care.

You'll find Norfolk Island pine trees for sale from online nurseries and some garden centers in spring and summer. Small trees are sometimes decorated and sold around Christmastime.

Norfolk Island Pine Care

Green Thumb Tip

If you move your plant outdoors for the summer, keep it shaded from hot sun. Check the soil often and keep it moist. Norfolk pine is frost tender. In fact, it doesn't like the cold at all. Bring it back indoors if the temperature drops below 50°F/10°C.

Raise the humidity. Dry air will cause the needles to become dry and fall off. Keep your plant away from heat/AC vents. This Pacific Island native loves to be misted with room-temperature water. Or use a room humidifier to add moisture.

Keep soil moist. Growing Norfolk Island pine trees are thirsty, so check the soil often during the growing season. Yellow needles are typically caused by soil that's either too dry or soggy. Aim to keep it lightly moist at all times.

Repot in spring. This plant is slow-growing, especially indoors. Move it into a pot 1 size larger every 3 years or when roots are visible on top of the soil. When the tree grows to more than 3 ft (90 cm) tall, top dress instead.

How to Top Dress: Remove the top 2-3 inches of soil and replace with fresh soil every couple years. Take care not to harm any roots that may be near the surface.

Don't prune Norfolk pine. Never cut off the top or trim the sides of this plant. It doesn't need to be shaped at all. You can remove any lower branches that die, using sharp pruners to prevent tearing the stems.

Not many house plant pests bother Norfolk pines. Mealybugs are the most common. Watch for white, cotton-like areas on leaves and stems and treat any infestation immediately.

Caring for Norfolk Pine Tree

norfolk island pine, norfolk pine tree, norfolk island pines

Origin: Norfolk Island

Height: Up to 6 ft (1.8 m), grown in a pot indoors

Light: Bright light with some full sun. Rotate the pot occasionally in front of the window to give all sides light for even growth.

Water: Keep the soil evenly moist in the spring and summer, lightly moist in winter. Always use tepid water for watering your houseplants.

Humidity: Moderate room (50% relative humidity) or higher. The most efficient way to boost humidity for your tropical plants is to use a small cool-mist humidifier. Dry, yellowing needles are a sign the air is too dry. 

Temperature: Average room temperatures 65-75°F/18-24°C. Norfolk Island pine doesn't like the cold, so don't expose it to temps below 50°F/10°C.

Soil: Soil-based potting mix.

Fertilizer: Feed every 2 weeks spring through fall with a balanced water-soluble fertilizer diluted by half.

Propagation: Can be grown from seed, although it will take several years to reach the size of a purchased plant.

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