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Plant care

Amazonian Traveller's Tree (South American traveller's palm) care

Phenakospermum guyannense

Also called Amazonian traveller's tree, South American traveller's palm, Palulu.

RHS H1cUSDA 10-11Mildly toxic to petsIndoor Pseudostem 2.5–6 m tall

Watering rhythm

Bright indirect light (just back from a sunny window)

Twice weekly or more in warm weather; reduce in cooler months

Light

Bright indirect light (just back from a sunny window)

Soil

Rich, moist, free-draining loam

Humidity

High — above 70% RH preferred

Temp

18–35°C

Pet safety

Mildly toxic to pets

Mature size

Pseudostem 2.5–6 m tall

Care at a glance

Light

In the wild amazonian traveller's tree grows on the bright edge of a forest canopy, not in the canopy and not in the open. Indoors, that translates to within a metre of an unobstructed window, sheer curtain optional. Thrives in full sun to bright filtered light; young plants appreciate partial shade, but mature specimens planted outdoors in tropical gardens need at least six hours of direct sun daily for vigorous growth and flowering. The fastest test: a hand held at the leaf casts a soft-edged shadow at noon — sharp shadow means too much sun, no shadow means too little light.

Watering

Aim for twice weekly or more in warm weather; reduce in cooler months for amazonian traveller's tree, but treat that as a starting point rather than a rule. A south-facing summer windowsill will dry the pot twice as fast as a north-facing winter room. Lift the pot; if it feels noticeably lighter than it did wet, water it. Keep the root zone consistently moist — it drinks heavily in tropical heat — but ensure excellent drainage; standing water around the pseudostem base causes rapid crown rot.

Soil and pot

Amazonian Traveller's Tree grows best in rich, moist, free-draining loam. Plant in deep, fertile loam or a clay-sandy loam mix enriched with organic matter; avoid compacted or waterlogged soils, which quickly rot the rhizome. 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

Amazonian Traveller's Tree sits happiest at around High — above 70% RH preferred humidity and 18–35°C (64–95°F). Native to the perpetually humid Amazonian rainforest; in drier climates, mist the foliage regularly or use an under-canopy irrigation system to prevent leaf-tip scorch. If you keep the room above 18–35°C 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 amazonian traveller's tree sparingly. Apply a balanced slow-release fertiliser at the start of the growing season, supplemented with a high-potassium liquid feed every 4–6 weeks through summer to support the large leaf canopy and promote flowering. 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 amazonian traveller's tree in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Root and crown rotThe most common cultivation failure outside tropical climates; caused by poorly drained soil or cold, wet conditions. Improve drainage before planting and never allow water to pool at the pseudostem base.
  • Cold damage and diebackEven a light frost (below 2°C) will blacken leaves and kill pseudostems; temperatures near 5°C slow growth dramatically. In subtropical margins of its range (USDA 9b), protect with heavy fleece or bring containerised plants indoors before the first cold night.

Propagation

By fresh seed (germination is slow and irregular; sow in moist, warm compost at 24–28°C), or by division of rooted rhizome offsets from established clumps in spring. 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

Amazonian Traveller's Tree is mildly toxic to pets. Phenakospermum guyannense is not individually listed by the ASPCA, but the family Strelitziaceae — to which it belongs — includes Strelitzia reginae, which ASPCA classifies as toxic to dogs, cats, and horses (GI irritants; causes mild nausea, vomiting, and drowsiness, primarily from fruit and seeds). Treat this species with equivalent precaution. 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.

Amazonian Traveller's Tree care — frequently asked questions

What is the common name for Phenakospermum guyannense?

Phenakospermum guyannense is most commonly called Amazonian Traveller's Tree, but it is also known as Amazonian traveller's tree, South American traveller's palm, Palulu. The names refer to the same species, so care instructions for Amazonian Traveller's Tree apply identically to anything sold as South American traveller's palm.

How much light does amazonian traveller's tree need?

Amazonian Traveller's Tree grows best in bright indirect light (just back from a sunny window). Thrives in full sun to bright filtered light; young plants appreciate partial shade, but mature specimens planted outdoors in tropical gardens need at least six hours of direct sun daily for vigorous growth and flowering.

How often should I water amazonian traveller's tree?

Water amazonian traveller's tree twice weekly or more in warm weather; reduce in cooler months. Keep the root zone consistently moist — it drinks heavily in tropical heat — but ensure excellent drainage; standing water around the pseudostem base causes rapid crown rot. 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 amazonian traveller's tree toxic to cats and dogs?

Amazonian Traveller's Tree is mildly toxic to pets. Phenakospermum guyannense is not individually listed by the ASPCA, but the family Strelitziaceae — to which it belongs — includes Strelitzia reginae, which ASPCA classifies as toxic to dogs, cats, and horses (GI irritants; causes mild nausea, vomiting, and drowsiness, primarily from fruit and seeds). Treat this species with equivalent precaution.

What USDA hardiness zone does amazonian traveller's tree grow in?

Amazonian Traveller's Tree is rated for USDA zone 10-11 and RHS hardiness H1c. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Amazonian Traveller's Tree deep-dive guides

Every aspect of amazonian traveller's tree care, each with its own calibrated guide:

Featured in these plant shortlists

Amazonian Traveller's Tree qualifies for 2 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Amazonian Traveller's Tree is also known as Amazonian traveller's tree, South American traveller's palm, and Palulu.