Anthurium andraeanum 'Sierra Madre' (Sierra Madre anthurium) care

Light

Bright but filtered. Anthurium andraeanum 'Sierra Madre' burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Needs bright, indirect light for continuous flowering. Low light suppresses blooms; harsh direct sun bleaches the spathes and burns the leaf surface. 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 'sierra madre': when the top 2-3 cm of soil is dry, about every 5-7 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 evenly and lightly moist, watering once the surface dries. Drain thoroughly and never leave the pot sitting in water, which causes root rot.

Soil and pot

Anthurium andraeanum 'Sierra Madre' grows best in chunky, free-draining aroid mix. Blend orchid bark, perlite and peat or coco coir for an airy medium that holds moisture without compacting. Avoid heavy, water-retentive potting soil. 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 'Sierra Madre' sits happiest at around 50-65% humidity and 18-27°C (65-80°F). Moderate to high humidity keeps foliage glossy and spathes well formed. In dry rooms use a humidifier or pebble tray to prevent leaf-edge browning. 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 'sierra madre' sparingly. Apply a balanced or bloom-oriented liquid fertiliser every 4-6 weeks in spring and summer at quarter to half strength. Excess nitrogen yields leaves at the expense of flowers; ease off 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 anthurium andraeanum 'sierra madre' in the Growli community. Each is annotated with the most common cause so you know where to start.

• Lack of blooms — Usually too little light or over-feeding with nitrogen. Increase indirect light and switch to a bloom-supporting fertiliser.
• Brown leaf margins — Low humidity or hard-water salts. Raise humidity, use filtered water and flush the pot periodically.
• Faded or greening spathes — Direct sun or natural ageing of the bloom. Shade from direct sun and deadhead old spathes.
• Yellowing leaves and soft roots — Overwatering in a dense mix. Improve drainage, repot into a chunky aroid blend and water more sparingly.

Propagation

Propagate by dividing offsets at repotting, retaining roots on each division. Being a named clone, it is multiplied vegetatively rather 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 andraeanum 'Sierra Madre' is toxic to pets. Toxic to cats and dogs. As an Anthurium, it falls under the ASPCA's toxic-plant listing for the genus due to insoluble calcium oxalate crystals; ingestion causes oral pain, drooling, swelling of the lips and tongue and difficulty swallowing. Keep the eye-catching blooms away from 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 andraeanum 'Sierra Madre' deep-dive guides

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

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

Featured in these plant shortlists

Anthurium andraeanum 'Sierra Madre' qualifies for 4 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.
• Best fast-growing houseplants — Houseplants documented as fast or vigorous growers — quick to fill a pot, cover a pole or trail down a shelf.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Anthurium andraeanum 'Sierra Madre' is also commonly called Sierra Madre 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