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Plant care

Philodendron Nangaritense (Nangaritense) care

Philodendron nangaritense

Also called Nangaritense, Fuzzy Petiole Philodendron.

RHS H1bUSDA 10-12Toxic to petsIndoor Climbs around 1-1.5 m indoors on support over time

Watering rhythm

5-8days

When the top 3 cm of mix is dry, roughly every 5-8 days

Light

Bright indirect light (just back from a sunny window)

Soil

Very chunky, airy, fast-draining aroid mix

Humidity

70-85%

Temp

18-28°C

Pet safety

Toxic to pets

Mature size

Climbs around 1-1.5 m indoors on support over time

Care at a glance

Light

Bright but filtered. Philodendron Nangaritense burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Thrives in bright indirect light, which supports steady growth and the red colouring of the fuzzy petioles. Medium light slows it noticeably. Keep it out of direct sun, which scorches both the leaf blades and the delicate bristly petioles. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering philodendron nangaritense: when the top 3 cm of mix is dry, roughly every 5-8 days. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Keep consistently moist but never waterlogged; water thoroughly and let only the surface dry. This rare aroid resents drying out fully but rots fast in soggy soil, so pair steady watering with a highly aerated mix and free drainage.

Soil and pot

Philodendron Nangaritense grows best in very chunky, airy, fast-draining aroid mix. Use a loose, bark-heavy blend of orchid bark, perlite, charcoal, and sphagnum with minimal dense soil. Maximum aeration around the roots is essential for this moisture-loving but rot-prone species. Keep the pH slightly acidic, around 5.5-6.5. 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

Philodendron Nangaritense sits happiest at around 70-85% humidity and 18-28°C (64-82°F). A high-humidity specialist that performs best at 70% or more, ideally in a greenhouse cabinet or enclosure. Average home humidity tends to brown the leaf edges and stress the fuzzy petioles. A humidifier is strongly recommended. If you keep the room above 18 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 philodendron nangaritense sparingly. Feed every 4-6 weeks in spring and summer with a balanced liquid fertiliser at half or quarter strength; this slow rare grower is sensitive to fertiliser burn. Flush the airy mix occasionally and stop feeding over autumn and winter. 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 philodendron nangaritense in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Browning or crisping leaf edgesHumidity too low for this demanding species. Move it to an enclosure or run a humidifier to maintain 70% or higher.
  • Rot at the base or petiolesSoggy, airless mix. Repot into a very chunky bark-heavy blend, improve drainage, and avoid letting water sit around the stems.
  • Stalled, very slow growthCool temperatures or low light slow this already slow grower. Keep it warm and in bright indirect light during the growing season.
  • Loss of petiole fuzz or red colourInsufficient light or stress. Provide stable bright indirect light and consistent care to maintain the distinctive hairy red petioles.

Propagation

Propagate from stem cuttings with at least one node, rooted in sphagnum moss or a bark/perlite mix inside a humid propagation box. Roots form slowly, so keep cuttings warm and at high humidity. Patience is needed with this rare, slow-rooting species. 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

Philodendron Nangaritense is toxic to pets. Toxic to cats and dogs per the ASPCA, which lists Philodendron as toxic. It contains insoluble calcium oxalate crystals; chewing causes oral irritation, intense burning of the mouth and tongue, drooling, vomiting and difficulty swallowing. Keep this rare plant safely out of pets' reach. 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.

Philodendron Nangaritense care — frequently asked questions

What is the common name for Philodendron nangaritense?

Philodendron nangaritense is most commonly called Philodendron Nangaritense, but it is also known as Nangaritense, Fuzzy Petiole Philodendron. The names refer to the same species, so care instructions for Philodendron Nangaritense apply identically to anything sold as Nangaritense.

How much light does philodendron nangaritense need?

Philodendron Nangaritense grows best in bright indirect light (just back from a sunny window). Thrives in bright indirect light, which supports steady growth and the red colouring of the fuzzy petioles. Medium light slows it noticeably. Keep it out of direct sun, which scorches both the leaf blades and the delicate bristly petioles.

How often should I water philodendron nangaritense?

Water philodendron nangaritense when the top 3 cm of mix is dry, roughly every 5-8 days. Keep consistently moist but never waterlogged; water thoroughly and let only the surface dry. This rare aroid resents drying out fully but rots fast in soggy soil, so pair steady watering with a highly aerated mix and free drainage. 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 philodendron nangaritense toxic to cats and dogs?

Philodendron Nangaritense is toxic to pets. Toxic to cats and dogs per the ASPCA, which lists Philodendron as toxic. It contains insoluble calcium oxalate crystals; chewing causes oral irritation, intense burning of the mouth and tongue, drooling, vomiting and difficulty swallowing. Keep this rare plant safely out of pets' reach.

What USDA hardiness zone does philodendron nangaritense grow in?

Philodendron Nangaritense is rated for USDA zone 10-12 (indoor in most US homes) and RHS hardiness H1b. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Philodendron Nangaritense deep-dive guides

Every aspect of philodendron nangaritense care, each with its own calibrated guide:

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Philodendron Nangaritense qualifies for 4 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

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Philodendron Nangaritense is also commonly called Nangaritense or Fuzzy Petiole Philodendron.