Growli

Plant care

Norfolk Island pine (Norfolk pine) care

Araucaria heterophylla

Also called Norfolk pine, house pine, star pine.

RHS H1cUSDA 10-11Pet-safeIndoor 1-2 m tall indoors over many years (60 m+ in habitat)

Watering rhythm

7-10days

When the top 2-3 cm of soil is dry, every 7-10 days

Light

Bright indirect light (just back from a sunny window)

Soil

Free-draining slightly acidic mix

Humidity

50-60%

Temp

16-24°C

Pet safety

Pet-safe

Mature size

1-2 m tall indoors over many years (60 m+ in habitat)

Care at a glance

Light

Norfolk Island pine is what florists mean by "bright spot, no direct sun" — close enough to a south or east window to feel the brightness, with a sheer curtain or a few feet of distance keeping the sun off the leaves. Bright indirect light, with a few hours of gentle direct sun. Insufficient light causes lower branches to drop. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water norfolk island pine when the top 2-3 cm of soil is dry, every 7-10 days. The actual day count varies with pot size, light, and season — the finger test (or lifting the pot to feel its weight) is more reliable than a fixed calendar. Empty any drainage saucer afterwards so the pot isn't sitting in water. Keep evenly moist during the growing season; reduce slightly in winter. Will not recover well from a complete dry-out.

Soil and pot

Norfolk Island pine grows best in free-draining slightly acidic mix. Standard potting compost with 20-30% perlite. A pinch of ericaceous mix is fine. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Norfolk Island pine sits happiest at around 50-60% humidity and 16-24°C (60-75°F). Higher humidity reduces needle drop indoors. If you keep the room above 16 year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed norfolk island pine sparingly. Half-strength balanced feed every 6-8 weeks during the growing season. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on norfolk island pine in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Lower branches dropInsufficient light or under-watering; branches do not regrow once lost.
  • Brown needle tipsDry air; raise humidity.
  • Yellowing throughoutOverwatering or compacted root-bound soil.
  • Top growth crookedPlant grew towards a light source; rotate quarterly.

Propagation

Mostly seed-grown commercially. Tip cuttings rarely produce a balanced specimen. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Norfolk Island pine is pet-safe. Araucaria heterophylla is listed by the ASPCA as non-toxic to cats and dogs. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Norfolk Island pine care — frequently asked questions

What is the common name for Araucaria heterophylla?

Araucaria heterophylla is most commonly called Norfolk Island pine, but it is also known as Norfolk pine, house pine, star pine. The names refer to the same species, so care instructions for Norfolk Island pine apply identically to anything sold as Norfolk pine.

How much light does norfolk island pine need?

Norfolk Island pine grows best in bright indirect light (just back from a sunny window). Bright indirect light, with a few hours of gentle direct sun. Insufficient light causes lower branches to drop.

How often should I water norfolk island pine?

Water norfolk island pine when the top 2-3 cm of soil is dry, every 7-10 days. Keep evenly moist during the growing season; reduce slightly in winter. Will not recover well from a complete dry-out. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is norfolk island pine toxic to cats and dogs?

Norfolk Island pine is pet-safe. Araucaria heterophylla is listed by the ASPCA as non-toxic to cats and dogs.

What USDA hardiness zone does norfolk island pine grow in?

Norfolk Island pine is rated for USDA zone 10-11 (indoor-only in most US homes) and RHS hardiness H1c. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Norfolk Island pine deep-dive guides

Every aspect of norfolk island pine care, each with its own calibrated guide:

Featured in these plant shortlists

Norfolk Island pine qualifies for 7 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Norfolk Island pine is also known as Norfolk pine, house pine, and star pine.