Anthurium metallicum (metallic anthurium) care

Light

Anthurium metallicum 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 metallic sheen and supports large leaves. Keep it out of direct sun, which scorches and dulls the surface; in low light the iridescence weakens and leaves stay small. A phone lux-meter at the leaf surface should read 1,500-3,000 lux at noon.

Watering

Water anthurium metallicum when the top 2-3 cm of mix is dry, roughly every 5-7 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 the chunky mix evenly moist but not soggy; water thoroughly and drain fully. Allow a slight surface dry-down between waterings, as the thick roots rot in standing water. Use rainwater or filtered water to avoid mineral spotting.

Soil and pot

Anthurium metallicum grows best in coarse aroid mix. Pot in an airy blend of orchid bark, perlite, charcoal and sphagnum that drains quickly while holding light moisture. Avoid heavy peat-based soils, which compact and suffocate the roots of this semi-epiphyte. 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 metallicum sits happiest at around 65-85% humidity and 18-28°C (65-82°F). The large pendant leaves need consistently high humidity; below 60% they crisp at the edges and lose lustre. A humidifier or grow cabinet keeps the metallic foliage at its best in dry homes. 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 metallicum sparingly. Feed every 4-6 weeks in the growing season with a balanced houseplant fertiliser at quarter to half strength, flushing the mix occasionally. Keep feed dilute, as the roots burn easily. Suspend feeding in winter when growth slows. 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 metallicum in the Growli community. Each is annotated with the most common cause so you know where to start.

• Dull, non-metallic leaves — Usually too little light; move to bright indirect light to restore the iridescent sheen, avoiding direct sun.
• Crispy leaf margins — Low humidity for a large-leaved species; keep humidity above 65% and stable, especially during leaf expansion.
• Root rot — Soggy or dense mix kills the thick roots; replant in chunky bark-based aroid mix and water only after a slight surface dry-down.
• Drooping new leaves — Often a moisture or humidity swing while the leaf hardens off; keep conditions steady and avoid hard drying.

Propagation

Propagate by dividing the crown or separating rooted offsets at repotting. Stem sections with a node and aerial roots root in sphagnum under high humidity; this species is increased far more reliably by division than from seed. 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 metallicum is toxic to pets. Toxic to cats and dogs. As an Anthurium it is covered by the ASPCA's toxic Anthurium listing; the toxic principle is insoluble calcium oxalate crystals, which cause oral irritation, intense burning of the mouth and lips, drooling, vomiting and difficulty swallowing when chewed. 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.

Anthurium metallicum deep-dive guides

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

• Anthurium metallicum watering schedule
• Anthurium metallicum light requirements
• Best soil mix for anthurium metallicum
• Anthurium metallicum fertilizing guide
• When to repot anthurium metallicum
• How to propagate anthurium metallicum
• Anthurium metallicum growth rate & size
• Anthurium metallicum cold hardiness
• Anthurium metallicum temperature & humidity
• Is anthurium metallicum toxic to cats & dogs?
• Is anthurium metallicum toxic to cats?
• Is anthurium metallicum toxic to dogs?

Featured in these plant shortlists

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

• Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
• Best humidity-loving houseplants — Houseplants that thrive in a bathroom, kitchen, or by a humidifier — selected by documented humidity preference.
• Houseplants toxic to cats & dogs — The common houseplants the ASPCA lists as toxic to cats and dogs — the ones to keep out of reach, each with its symptoms and a safe alternative.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Anthurium metallicum is also commonly called metallic anthurium.

• Types of anthurium — varieties identified, with care and pet-safety
• Monstera care — light, water and common problems
• Pothos care — light, water and common problems
• Fiddle leaf fig care — light, water and common problems
• All 2464 plant care guides in the Growli library