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Plant care

Brazilian Plume (Flamingo Plant) care

Justicia carnea

Also called Brazilian Plume, Flamingo Plant, Jacobinia, King's Crown.

RHS H2USDA 9-11Pet-safeIndoor 1–1.5 m (3–5 ft) tall and 60–90 cm (24–36 in) wide in a container

Watering rhythm

Bright indirect light (just back from a sunny window)

Regularly — keep soil consistently moist but never waterlogged

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Light

Bright indirect light (just back from a sunny window)

Soil

Fertile, loam-based, moist but well-drained compost

Humidity

50–70%

Temp

13–28 °C

Pet safety

Pet-safe

Mature size

1–1.5 m (3–5 ft) tall and 60–90 cm (24–36 in) wide in a container

Care at a glance

Light

Bright but filtered. Brazilian Plume burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Best in bright, indirect light or dappled shade; direct afternoon sun scorches the large leaves, while too little light reduces flowering and causes stretch. 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 brazilian plume: regularly — keep soil consistently moist but never waterlogged. 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. Water when the surface just begins to dry, ensuring the pot drains fully; this species is very sensitive to drought and wilts visibly within hours when the rootball dries out.

Soil and pot

Brazilian Plume grows best in fertile, loam-based, moist but well-drained compost. Use a peat-free, loam-based mix enriched with garden compost or well-rotted bark; avoid compacted or waterlogged growing media. 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

Brazilian Plume sits happiest at around 50–70% humidity and 13–28 °C (55–82 °F). Prefers moderate to high humidity; in dry indoor environments, stand on a pebble tray of water or use a room humidifier to prevent leaf tip scorch. If you keep the room above 13–28 °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 brazilian plume sparingly. Feed every two weeks with a balanced liquid fertiliser during the growing season (spring to autumn); reduce to monthly or stop entirely in 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 brazilian plume in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Powdery mildew and leaf spot — Poor air circulation and overhead watering encourage fungal leaf diseases; water at the base, thin stems to improve airflow, and treat early infections with a copper-based fungicide.
  • Spider mites and mealybugs — Hot, dry conditions attract spider mites (look for fine webbing on leaf undersides) and mealybugs (white waxy clusters in leaf axils); treat with insecticidal soap or neem oil and maintain adequate humidity.

Propagation

Root 10 cm (4 in) softwood tip cuttings in spring or early summer in a moist compost-and-perlite mix at around 21 °C (70 °F); cuttings root readily and can be potted on within four to six 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

Brazilian Plume is pet-safe. No toxic compounds have been documented in Justicia carnea by the ASPCA or other recognised veterinary toxicology resources; it is generally regarded as non-toxic to cats and dogs, though ingestion of any plant material may cause mild gastrointestinal upset. 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.

Brazilian Plume care — frequently asked questions

What is the common name for Justicia carnea?

Justicia carnea is most commonly called Brazilian Plume, but it is also known as Brazilian Plume, Flamingo Plant, Jacobinia, King's Crown. The names refer to the same species, so care instructions for Brazilian Plume apply identically to anything sold as Flamingo Plant.

How much light does brazilian plume need?

Brazilian Plume grows best in bright indirect light (just back from a sunny window). Best in bright, indirect light or dappled shade; direct afternoon sun scorches the large leaves, while too little light reduces flowering and causes stretch.

How often should I water brazilian plume?

Water brazilian plume regularly — keep soil consistently moist but never waterlogged. Water when the surface just begins to dry, ensuring the pot drains fully; this species is very sensitive to drought and wilts visibly within hours when the rootball dries 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 brazilian plume toxic to cats and dogs?

Brazilian Plume is pet-safe. No toxic compounds have been documented in Justicia carnea by the ASPCA or other recognised veterinary toxicology resources; it is generally regarded as non-toxic to cats and dogs, though ingestion of any plant material may cause mild gastrointestinal upset.

What USDA hardiness zone does brazilian plume grow in?

Brazilian Plume is rated for USDA zone 9-11 and RHS hardiness H2. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Brazilian Plume deep-dive guides

Every aspect of brazilian plume care, each with its own calibrated guide:

Featured in these plant shortlists

Brazilian Plume qualifies for 10 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Brazilian Plume is also known as Brazilian Plume, Flamingo Plant, Jacobinia, and King's Crown.