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Plant care

Anthurium andraeanum 'Roseum' (pink anthurium) care

Anthurium andraeanum 'Roseum'

Also called pink anthurium, Roseum anthurium.

RHS H1bUSDA 11-12Toxic to petsIndoor Typically 40-60 cm tall and 30-45 cm wide indoors

Watering rhythm

5-7days

When the top 2-3 cm of mix is dry, roughly every 5-7 days in growth

Light

Bright indirect light (just back from a sunny window)

Soil

Loose, chunky, fast-draining epiphytic aroid mix

Humidity

60-80%

Temp

18-29°C

Pet safety

Toxic to pets

Mature size

Typically 40-60 cm tall and 30-45 cm wide indoors

Care at a glance

Light

Bright but filtered. Anthurium andraeanum 'Roseum' burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Provide several hours of bright filtered light, such as an east-facing window or just back from south/west glass. Harsh direct sun fades the pink spathes and scorches leaves; too little light gives sparse, washed-out blooms and stretched 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 anthurium andraeanum 'roseum': when the top 2-3 cm of mix is dry, roughly every 5-7 days in growth. 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 the airy mix evenly moist but never sodden; water until it drains, then tip out the saucer. Use room-temperature, low-mineral water and reduce slightly in winter. Persistent wetness rots roots and yellows the oldest leaves.

Soil and pot

Anthurium andraeanum 'Roseum' grows best in loose, chunky, fast-draining epiphytic aroid mix. Mix orchid bark, perlite, coco coir and a little organic matter for an open medium that drains fast yet stays lightly moist. Target slightly acidic pH 5.5-6.5. Dense, water-retentive potting soil smothers the thick roots. 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

Anthurium andraeanum 'Roseum' sits happiest at around 60-80% humidity and 18-29°C (65-84°F). As a rainforest epiphyte it loves humidity; below ~50% leaf edges brown and bloom production drops. Use a humidifier, pebble tray or plant grouping, and keep it away from radiators and air-conditioning. 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 anthurium andraeanum 'roseum' sparingly. Feed every 4-6 weeks across spring and summer with a balanced or mildly phosphorus-rich houseplant feed at half strength. Anthuriums are light feeders, so under-feed rather than over-feed to avoid root burn. Stop feeding in winter dormancy. 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 anthurium andraeanum 'roseum' in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Faded pink spathesToo much direct sun bleaches colour, while aging blooms naturally green; site in bright indirect light and remove spent flowers.
  • Brown leaf tipsLow humidity or salt buildup from hard water; raise humidity and switch to low-mineral water, flushing the mix periodically.
  • Sparse floweringUsually too little light or excess nitrogen; move brighter and use a balanced or phosphorus-leaning fertiliser.
  • Root rot and yellow leavesCaused by overwatering in dense mix; repot into a chunky aroid blend and let the top layer dry between waterings.

Propagation

Propagate by dividing mature clumps, separating rooted offsets into fresh aroid mix. Stem sections with an aerial root will also root in moist sphagnum or perlite. Seed propagation is slow and will not reliably reproduce this named cultivar. 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

Anthurium andraeanum 'Roseum' is toxic to pets. ASPCA lists Anthurium as toxic to cats and dogs. The plant contains insoluble calcium oxalate crystals typical of aroids; ingestion causes oral irritation, drooling, vomiting and swallowing difficulty. Keep away from pets and children. 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.

Anthurium andraeanum 'Roseum' care — frequently asked questions

What is the common name for Anthurium andraeanum 'Roseum'?

Anthurium andraeanum 'Roseum' is most commonly called Anthurium andraeanum 'Roseum', but it is also known as pink anthurium, Roseum anthurium. The names refer to the same species, so care instructions for Anthurium andraeanum 'Roseum' apply identically to anything sold as pink anthurium.

How much light does anthurium andraeanum 'roseum' need?

Anthurium andraeanum 'Roseum' grows best in bright indirect light (just back from a sunny window). Provide several hours of bright filtered light, such as an east-facing window or just back from south/west glass. Harsh direct sun fades the pink spathes and scorches leaves; too little light gives sparse, washed-out blooms and stretched petioles.

How often should I water anthurium andraeanum 'roseum'?

Water anthurium andraeanum 'roseum' when the top 2-3 cm of mix is dry, roughly every 5-7 days in growth. Keep the airy mix evenly moist but never sodden; water until it drains, then tip out the saucer. Use room-temperature, low-mineral water and reduce slightly in winter. Persistent wetness rots roots and yellows the oldest leaves. 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 anthurium andraeanum 'roseum' toxic to cats and dogs?

Anthurium andraeanum 'Roseum' is toxic to pets. ASPCA lists Anthurium as toxic to cats and dogs. The plant contains insoluble calcium oxalate crystals typical of aroids; ingestion causes oral irritation, drooling, vomiting and swallowing difficulty. Keep away from pets and children.

What USDA hardiness zone does anthurium andraeanum 'roseum' grow in?

Anthurium andraeanum 'Roseum' is rated for USDA zone 11-12 (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.

Anthurium andraeanum 'Roseum' deep-dive guides

Every aspect of anthurium andraeanum 'roseum' care, each with its own calibrated guide:

Featured in these plant shortlists

Anthurium andraeanum 'Roseum' qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Anthurium andraeanum 'Roseum' is also commonly called pink anthurium or Roseum anthurium.