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Plant care

Philodendron Goeldii (Fun Bun Philodendron) care

Thaumatophyllum spruceanum

Also called Fun Bun Philodendron, Finger Leaf, Goeldii.

RHS H1bUSDA 10-12Toxic to petsIndoor Reaches 0.9-1.5 m tall and wide indoors over time

Watering rhythm

7-10days

When the top 3-4 cm of mix is dry, roughly every 7-10 days

Light

Bright indirect light (just back from a sunny window)

Soil

Rich, airy, fast-draining aroid mix

Humidity

50-70%

Temp

18-29°C

Pet safety

Toxic to pets

Mature size

Reaches 0.9-1.5 m tall and wide indoors over time

Care at a glance

Light

Philodendron Goeldii 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. Wants bright indirect light to keep its whorled leaflets full and symmetrical. Tolerates medium light at the cost of compactness and leaflet count. Avoid prolonged direct sun, which bleaches and scorches the foliage. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water philodendron goeldii when the top 3-4 cm of mix is dry, roughly 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 active growth, watering thoroughly then letting the surface dry slightly. Reduce in winter. It dislikes both bone-dry soil and standing water, so a freely draining pot is essential.

Soil and pot

Philodendron Goeldii grows best in rich, airy, fast-draining aroid mix. Use a chunky blend of potting soil, orchid bark, perlite, and coir. Good aeration around the substantial roots prevents rot, while organic matter supplies steady nutrition. Target a slightly acidic pH 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 Goeldii sits happiest at around 50-70% humidity and 18-29°C (64-84°F). Prefers above-average humidity for lush, well-formed leaflets but adapts to typical home humidity. A humidifier or pebble tray helps in dry, heated rooms. Very dry air can cause leaflet tips to brown. 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 goeldii sparingly. Feed every 4-6 weeks in spring and summer with a balanced liquid fertiliser at half strength. This vigorous grower appreciates the nutrients but is sensitive to salt build-up, so flush occasionally and stop feeding over 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 goeldii in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Floppy or sparse leafletsToo little light or insufficient nutrition. Move to brighter indirect light and feed during the growing season for fuller whorls.
  • Browning leaflet tipsLow humidity or dry soil. Raise ambient humidity and keep the mix evenly moist rather than letting it dry out fully.
  • Yellow lower leavesOften overwatering; occasionally natural ageing of the oldest leaf. Check that the pot drains and let the surface dry between waterings.
  • Root rotCaused by a dense, soggy mix. Repot into a chunky aroid blend with ample perlite and bark, and remove any soft, brown roots.

Propagation

Best propagated by division of offsets or by stem cuttings taken from the basal stem with nodes, rooted in moss or a perlite/bark mix. Seed is possible but slow. Keep cuttings warm and humid until roots establish over several weeks. 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 Goeldii is toxic to pets. Toxic to cats and dogs. The ASPCA lists both Philodendron and Thaumatophyllum (Thaumatophyllum bipinnatifidum) as toxic; this species belongs to that aroid group. It contains insoluble calcium oxalate crystals that cause oral burning, drooling, pawing at the mouth, vomiting and swelling on chewing. Keep out of reach of pets. 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 Goeldii care — frequently asked questions

What is the common name for Thaumatophyllum spruceanum?

Thaumatophyllum spruceanum is most commonly called Philodendron Goeldii, but it is also known as Fun Bun Philodendron, Finger Leaf, Goeldii. The names refer to the same species, so care instructions for Philodendron Goeldii apply identically to anything sold as Fun Bun Philodendron.

How much light does philodendron goeldii need?

Philodendron Goeldii grows best in bright indirect light (just back from a sunny window). Wants bright indirect light to keep its whorled leaflets full and symmetrical. Tolerates medium light at the cost of compactness and leaflet count. Avoid prolonged direct sun, which bleaches and scorches the foliage.

How often should I water philodendron goeldii?

Water philodendron goeldii when the top 3-4 cm of mix is dry, roughly every 7-10 days. Keep evenly moist during active growth, watering thoroughly then letting the surface dry slightly. Reduce in winter. It dislikes both bone-dry soil and standing water, so a freely draining pot is essential. 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 goeldii toxic to cats and dogs?

Philodendron Goeldii is toxic to pets. Toxic to cats and dogs. The ASPCA lists both Philodendron and Thaumatophyllum (Thaumatophyllum bipinnatifidum) as toxic; this species belongs to that aroid group. It contains insoluble calcium oxalate crystals that cause oral burning, drooling, pawing at the mouth, vomiting and swelling on chewing. Keep out of reach of pets.

What USDA hardiness zone does philodendron goeldii grow in?

Philodendron Goeldii 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 Goeldii deep-dive guides

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

Featured in these plant shortlists

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

Related guides

Philodendron Goeldii is also known as Fun Bun Philodendron, Finger Leaf, and Goeldii.