Anthurium andraeanum 'Orange Hot' (Orange Hot anthurium) care

Light

Bright but filtered. Anthurium andraeanum 'Orange Hot' burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Bright indirect light fuels continuous orange blooms. Too little light stops flowering; direct sun scorches the foliage and fades the spathes. Position near an east or filtered south/west window for best colour. 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 'orange hot': when the top 2-3 cm of mix is dry, roughly every 7-10 days. 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 lightly moist but never soggy. Water thoroughly, allow it to drain, and empty the saucer. Letting the surface dry slightly between waterings is the key to avoiding root rot in potted flamingo flowers.

Soil and pot

Anthurium andraeanum 'Orange Hot' grows best in coarse, well-draining aroid/orchid blend. Use a chunky mix of orchid bark, perlite, coco coir or peat, and charcoal. It holds gentle moisture while staying airy, keeping the fleshy roots oxygenated and supporting steady bloom production. 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 'Orange Hot' sits happiest at around 50-70% humidity and 18-27°C (65-80°F). Prefers moderate-to-high humidity for healthy leaves and long-lasting spathes. It copes with average room humidity better than rare epiphytic species, but below 40% leaf tips brown; a pebble tray or humidifier helps. 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 'orange hot' sparingly. Feed every 4-6 weeks in spring and summer with a balanced or higher-phosphorus water-soluble fertiliser at quarter to half strength to sustain flowering. Reduce in winter and flush occasionally to prevent salt build-up that browns leaf tips. 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 'orange hot' in the Growli community. Each is annotated with the most common cause so you know where to start.

• No flowers — Most often too little light or excess nitrogen. Increase bright indirect light and use a higher-phosphorus feed.
• Browning leaf and spathe tips — Low humidity or fertiliser-salt build-up. Raise humidity, use low-mineral water, and flush the pot.
• Yellowing leaves — Overwatering and poor drainage. Let the surface dry between waterings and ensure the mix drains freely.
• Faded or sunburned spathes — Direct sun bleaches the orange colour and marks leaves. Move to filtered, bright indirect light.

Propagation

Propagate by division: separate rooted offsets or split the clump at repotting so each piece keeps roots and a growing point. Pot divisions into a chunky aroid mix and keep warm and humid until established. 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 'Orange Hot' is toxic to pets. Toxic to cats and dogs. Anthurium is ASPCA-listed as toxic; the leaves and orange spathes contain insoluble calcium oxalate crystals. Ingestion causes oral pain, drooling, swelling of the mouth and throat, and vomiting. Keep this flowering plant 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 'Orange Hot' deep-dive guides

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

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

Featured in these plant shortlists

Anthurium andraeanum 'Orange Hot' 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 andraeanum 'Orange Hot' is also commonly called Orange Hot 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