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Plant care

Anthurium consobrinum (consobrinum anthurium) care

Anthurium consobrinum

Also called consobrinum anthurium.

RHS H1bUSDA 10-12Toxic to petsIndoor Reaches roughly 60-120 cm tall indoors

Watering rhythm

6-9days

When the top 2-3 cm of mix is dry, roughly every 6-9 days

Light

Bright indirect light (just back from a sunny window)

Soil

Airy, free-draining aroid mix

Humidity

55-75%

Temp

18-27°C

Pet safety

Toxic to pets

Mature size

Reaches roughly 60-120 cm tall indoors

Care at a glance

Light

Anthurium consobrinum 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. Bright, filtered light brings out the best leaf shape and colour. It tolerates medium light but grows slowly; direct sun bleaches and burns the foliage. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water anthurium consobrinum when the top 2-3 cm of mix is dry, roughly every 6-9 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. Maintain even moisture in growth and let the surface dry slightly between waterings. Cut back in winter. Free drainage is essential to avoid root rot in this epiphytic-rooted species.

Soil and pot

Anthurium consobrinum grows best in airy, free-draining aroid mix. Use orchid bark, perlite, coco coir and sphagnum for a chunky, breathable medium that holds some moisture without staying wet. Repot when roots fill the pot. 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 consobrinum sits happiest at around 55-75% humidity and 18-27°C (65-80°F). Enjoys moderate to high humidity. Dry air browns the leaf edges, so a humidifier or pebble tray is helpful in heated rooms during winter. 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 consobrinum sparingly. Feed every 3-4 weeks in spring and summer with a balanced liquid fertiliser at half strength. Stop in winter. Occasional plain-water flushing prevents salt build-up in the open substrate. 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 consobrinum in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Brown leaf tips and edgesLow humidity or hard-water minerals. Raise humidity and water with filtered or rain water.
  • Yellow lower leavesCommonly overwatering or a dense mix. Let the surface dry and switch to a chunkier, faster-draining medium.
  • Leggy or weak growthToo little light. Move to brighter indirect light and rotate the plant for even development.
  • Root rotCaused by soggy, compacted soil. Trim soft roots, repot into an airy mix and reduce watering frequency.

Propagation

Propagate by division at repotting or by stem cuttings containing a node, rooted in damp sphagnum or a chunky mix under warm, humid conditions. 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 consobrinum is toxic to pets. Toxic to cats and dogs. As an Anthurium, it is covered by the ASPCA's toxic-plant classification for the genus due to insoluble calcium oxalate crystals; chewing causes oral burning, drooling, swelling and difficulty swallowing. Keep away from pets and wash hands after handling. 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 consobrinum care — frequently asked questions

What is the common name for Anthurium consobrinum?

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

How much light does anthurium consobrinum need?

Anthurium consobrinum grows best in bright indirect light (just back from a sunny window). Bright, filtered light brings out the best leaf shape and colour. It tolerates medium light but grows slowly; direct sun bleaches and burns the foliage.

How often should I water anthurium consobrinum?

Water anthurium consobrinum when the top 2-3 cm of mix is dry, roughly every 6-9 days. Maintain even moisture in growth and let the surface dry slightly between waterings. Cut back in winter. Free drainage is essential to avoid root rot in this epiphytic-rooted species. 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 consobrinum toxic to cats and dogs?

Anthurium consobrinum is toxic to pets. Toxic to cats and dogs. As an Anthurium, it is covered by the ASPCA's toxic-plant classification for the genus due to insoluble calcium oxalate crystals; chewing causes oral burning, drooling, swelling and difficulty swallowing. Keep away from pets and wash hands after handling.

What USDA hardiness zone does anthurium consobrinum grow in?

Anthurium consobrinum 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.

Anthurium consobrinum deep-dive guides

Every aspect of anthurium consobrinum care, each with its own calibrated guide:

Featured in these plant shortlists

Anthurium consobrinum 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

Anthurium consobrinum is also commonly called consobrinum anthurium.