🌱 We're building the Sodate app, which knows your plant's season better than a fixed reminder. See features & pricing — coming soon
Indoor · Conifer Last verified Aug 10, 2026

Norfolk Island Pine

Bright rooms Long-term keepers Holiday decor Dry, dark rooms Cold porches

Araucaria heterophylla is a subtropical conifer in the ancient Araucariaceae family, endemic to Norfolk Island in the South Pacific, with perfectly tiered whorls of soft branches that make it a natural living Christmas tree.

On this page
    TL;DR

    Despite the name, this is not a pine and not frost-hardy: it's a subtropical tree that dies in a freeze, which is why millions bought as Christmas decor get discarded each January when they could live for decades indoors. Give it bright light, even moisture, and decent humidity, and never cut the top: it can't regrow its shape. Typically $15-$50 (far more at Christmas).

    Key facts

    • Not a true pine: it belongs to Araucariaceae, an ancient conifer family from the Southern Hemisphere that predates the dinosaurs' extinction.
    • Frost-tender: damaged below about 2°C and killed by a hard freeze, so it cannot live outdoors in most of the US, UK, or Canada.
    • Millions are sold as tabletop Christmas trees and thrown away in January, yet a kept plant can live for decades indoors and reach 2-3m.
    • Never top it: a conifer with a single central leader cannot regrow its symmetrical shape once the tip is cut.
    Slow
    growth rate
    Non-toxic*
    mildly irritant if chewed
    Frost-tender
    dies in a freeze
    $15-50
    typical US price

    Care requirements#

    Plant typeIndoor houseplant; outdoor tree only in USDA 10-11
    Growing mediumPeat-based potting mix with sand or perlite for drainage
    Light needsBright light, ideally some direct sun; rotate weekly so it grows straight
    Water frequencyWhen the top 2-3cm of soil dries, roughly weekly; never let the rootball dry out fully
    HumidityModerate to high (50%+); dry winter air browns branch tips
    Temperature range16-24°C (60-75°F); damaged below 2°C (35°F)
    FertilizerBalanced liquid feed monthly in spring-summer
    Soil pH5.5-6.5, slightly acidic
    Drainage needsGood; soggy soil kills lower branches first
    Pot recommendationDeep, stable pot with drainage; the tree gets top-heavy
    Hardiness zone (outdoor)USDA 10-11
    ToxicityNot seriously toxic, but needles can cause mild stomach upset in pets if eaten

    Growth & propagation#

    Mature size1.5-3m indoors over decades; 30-60m in habitat
    Growth rateSlow indoors; one new tier of branches per year
    Propagation methodsSeed only for a proper tree; cuttings from side branches never form an upright leader
    Propagation difficultyImpractical at home; buy nursery seed-grown plants
    Repotting scheduleEvery 2-3 years in spring, moving up one pot size
    Pruning needsOnly remove fully dead lower branches; never cut the central leader

    Common problems & troubleshooting#

    SymptomLikely causeFix
    Whole lower tiers turning brown and droppingLow humidity, underwatering, or too little light; lower branches never regrowRaise humidity, keep soil evenly moist, and give the brightest spot available; remove dead tiers cleanly
    Branch tips brown and crispyDry indoor air, especially near heaters in winterMove away from heat sources and run a humidifier or group with other plants
    Plant leaning or curving toward the windowOne-sided lightRotate the pot a quarter turn weekly
    Sudden decline after a cold night by the window or a January curbside stintChill injury; this subtropical tree is damaged near freezingKeep above 10°C at all times; badly frozen tissue will not recover
    Weak, floppy, pale new growthInsufficient lightMove to bright light with some direct sun; growth firms up on the next tier
    Coming soon

    Don't let the Christmas tree die in February

    Sodate keeps post-holiday watering on schedule, the exact stretch when most Norfolk pines get forgotten.

    Learn more →

    Seasonal care#

    Spring
    Resume feeding; repot if needed; growth restarts with a new whorl of branches.
    Summer
    Water more often; can summer outdoors in bright shade once nights stay above 10°C.
    Autumn
    Bring outdoor plants in well before first frost; reduce feeding.
    Winter
    Keep away from radiators and cold windowpanes, maintain humidity, water a little less. If used as a Christmas tree, use only lightweight LED decorations.

    Buying checklist#

    • A single straight central leader; a topped or kinked leader never recovers its shape
    • Green, flexible branches down to the lowest tier
    • Buying at Christmas? Check it hasn't sat by a cold shop door; chilled plants decline weeks later
    • Several seedlings are often potted together; separate them young if you want single specimen trees

    Pricing by region#

    RegionPrice rangeTypical unitBasis
    US$15 – $506-10in potBig-box + nursery; prices spike in December
    UK$15 – $5013-19cm potGarden centre retail, seasonal availability
    India$2 – $98-12in potNursery retail; popular decorative plant
    Australia$13 – $46200-300mm potNursery retail; also a common landscape tree in coastal areas
    Canada$15 – $446-10in potGarden centre; heavily stocked before Christmas
    What drives the price: Height and number of branch tiersSeason (December prices run higher)Single-stem specimen vs. multi-seedling pot

    USD figures are approximate conversions for comparison; switch the dropdown to see each region's actual local-currency listing price.

    Often confused with#

    Monkey puzzle tree (Araucaria araucana) — A hardy relative with stiff, sharp, scale-like leaves that can grow outdoors in cool climates; Norfolk pine needles are soft and it cannot take frost.
    Cook pine (Araucaria columnaris) — So similar that many 'Norfolk pines' sold in the US are actually Cook pines; Cook pines develop a distinctive lean (toward the equator) and a narrower, more columnar shape.

    Name confusion warning#

    !

    Not a pine, and often not even a Norfolk pine. True pines (Pinus) are frost-hardy; this Araucaria dies in a freeze, so "plant the Christmas tree outside" advice is fatal in most climates. Studies of US retail stock have also found many plants sold as Norfolk Island pine are actually the near-identical Cook pine (Araucaria columnaris).

    Where it's actually grown#

    Commercial stock is seed-grown in subtropical nurseries, with Florida supplying most of the North American holiday market; seeds are collected from plantation trees since Norfolk Island itself exports little live stock.

    Import & biosecurity restrictions#

    RegionNote
    AustraliaLive plant imports restricted under biosecurity law; the species is widely planted domestically along the east coast.
    USDomestic sale unrestricted; hardy outdoors only in Florida, Hawaii, coastal California, and similar frost-free zones.
    UKNo specific restriction; strictly a houseplant or conservatory tree, it cannot survive UK winters outside.
    IndiaNo restriction; grown as a decorative pot plant and landscape tree in milder regions.
    CanadaCFIA permits required for commercial imports; houseplant only, never hardy outdoors.

    Similar plants

    Did you know?

    Captain Cook spotted the towering trees on Norfolk Island in 1774 and thought they would make ideal ship masts for the Royal Navy; the wood proved too brittle for masts, but the failed naval scheme is part of why Britain colonized the tiny island at all.

    Frequently asked questions

    Can I plant my Norfolk Island pine outside after Christmas?

    Only in frost-free climates (USDA 10-11). It's a subtropical tree, not a true pine, and a hard freeze kills it. Everywhere else, keep it as a houseplant.

    Is Norfolk Island pine toxic to cats and dogs?

    It's not seriously toxic, but chewed needles can cause mild vomiting or stomach upset in pets, so discourage nibbling.

    Why are the bottom branches of my Norfolk pine dying?

    Usually dry air, dry soil, or low light. Fix the conditions, but know that dropped lower tiers never regrow; the tree only adds height.

    How long can a Norfolk Island pine live indoors?

    Decades. Many houseplants sold as tabletop Christmas trees are still alive 30+ years later at 2-3m tall.

    Can I trim the top to keep it short?

    No. Cutting the central leader permanently ruins the symmetrical shape; it can't regrow a proper top. Control size with pot size and slower feeding instead.

    A Christmas tree that deserves a whole life.

    Sodate turns your plant's light, season, and place into a daily quest list. Currently in development.

    Track this plantSodate — coming soon See Sodate