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Anthurium care — the complete flamingo flower guide

Anthurium (flamingo flower, laceleaf, Anthurium andraeanum) wants bright indirect light, a chunky aroid mix kept evenly moist, and high humidity. Full care guide.

Growli editorial team · 16 May 2026 · 9 min read

Anthurium care — the complete flamingo flower guide

Anthurium — commonly sold as the flamingo flower or laceleaf (Anthurium andraeanum) — is grown for its glossy heart-shaped leaves and waxy, long-lasting red, pink, or white "flowers." Those colored hearts aren't petals: each is a modified leaf called a spathe, and the true tiny flowers cover the finger-like spadix in the center. It is a tropical epiphytic aroid, so it cares far more about drainage, humidity, and light than most beginners expect. This guide covers everything: watering and rot risk, light, aroid soil, humidity, feeding, why it stops blooming, browning tips, repotting, and propagation by division.

Set up Growli reminders: Add your anthurium to Growli in 2 minutes — the app sends a watering reminder calibrated to your light level and season, plus humidity and feeding alerts so the spathes keep coming.


Anthurium at a glance

Watering

Anthurium roots want consistent moisture but rot quickly if they stay wet. Aim for evenly moist, never soggy and never bone-dry.

SeasonFrequencyTest
Spring + summerRoughly every 5-7 daysTop 1 inch of soil dry
FallEvery 7-10 daysTop 1-2 inches dry
WinterEvery 10-14 daysTop 2 inches dry

Frequency is a starting point, not a rule — always check the soil first, because a chunky aroid mix in a warm bright room dries far faster than dense soil in a dim one.

The right way to water:

  1. Water deeply until water runs from the drainage hole.
  2. Let it drain completely — never leave the pot sitting in a saucer of water.
  3. Wait until the top inch is dry before watering again.

Soft yellowing lower leaves and a sour-smelling pot point to overwatering and root rot, the most common way anthuriums die indoors. If the plant has been sitting wet, treat it like any overwatered plant: unpot, trim mushy brown roots, and repot in fresh airy mix.

Light

Light is the single biggest lever on blooming.

An east-facing window, or a few feet back from a south or west window with a sheer curtain, is the sweet spot. If your anthurium has good leaves but no spathes, insufficient light is the first thing to check.

Soil and pot

Mix: A chunky, fast-draining aroid mix — never plain potting soil. A reliable recipe is roughly equal parts potting mix, orchid bark, and perlite, with a handful of coco coir or sphagnum for moisture retention. The goal is a mix that holds some water but lets air reach the roots, mimicking the epiphytic forest floor anthuriums grow on in the wild.

Pot: Choose a pot only 1-2 inches wider than the root ball — an oversized pot holds too much wet soil. A drainage hole is non-negotiable. Plastic or glazed ceramic both work; terracotta dries fast and may need more frequent watering.

Repot: Every 2-3 years, or when roots circle the pot or push out the top, ideally in spring. See our how to repot a plant walkthrough for the step-by-step. Repotting also refreshes a tired mix, which can restart a plant that has stopped blooming.

Fertilizing

Anthuriums are light feeders that respond well to phosphorus, the nutrient tied to flowering. Use a balanced or bloom-oriented water-soluble fertilizer (a higher-middle-number ratio such as a "bloom" formula) diluted to half strength, roughly once a month in spring and summer only. Stop feeding in fall and winter while growth slows.

Too much nitrogen produces lush leaves and few spathes, so if your plant is all foliage, ease off general-purpose feed and switch to a phosphorus-leaning one. For a full-year plan, see our houseplant fertilizer schedule. Over-fertilizing also burns roots and tips — when unsure, feed less.

Humidity

Anthuriums are tropical understory plants and want humidity above 60% — higher than the 30-50% most homes sit at, especially in winter with heating on. Low humidity is the usual cause of crispy brown leaf edges.

Ways to raise it:

Misting helps only briefly and can encourage leaf spotting if leaves stay wet — a humidifier is far better. Our humidity for houseplants guide covers cheap ways to hit these levels.

Temperature

Keep anthuriums between roughly 65-80°F. They are not frost-tolerant and sulk below about 60°F, dropping leaves and refusing to bloom. Avoid cold windowsills in winter, air-conditioning blasts, and hot radiators — sudden temperature swings stress the plant.

Why your anthurium isn't blooming

A leafy anthurium with no spathes almost always comes down to one of these, in order of likelihood:

  1. Not enough light — the number-one cause. Move it to a brighter spot with bright indirect light.
  2. Too much nitrogen — switch to a phosphorus-leaning fertilizer at half strength.
  3. Low humidity or cold — sustained humidity above 60% and warmth of 65-80°F support continuous flowering.
  4. Pot-bound or exhausted soil — repot into fresh aroid mix every 2-3 years.
  5. No rest, or just maturity — young plants and recently disturbed plants pause; give it a few months in good conditions.

This pattern mirrors other aroids — the same logic applies to a peace lily that won't bloom and to the general plant not flowering diagnostic.

Pruning and grooming

Snip spent spathes and yellowing leaves at the base with clean scissors to redirect energy and keep the plant tidy. Wipe dust off the glossy leaves with a damp cloth so they can photosynthesize efficiently. If aerial roots emerge above the soil, you can tuck them into the mix or leave them — both are fine.

Propagation

Division is the easiest and most reliable method, best done at repotting time.

  1. Slide the plant out of the pot and gently loosen the root ball.
  2. Identify natural clumps — offsets with their own leaves and roots attached.
  3. Separate a clump with a clean knife, keeping several leaves and a healthy chunk of roots per division.
  4. Pot each division in fresh aroid mix at the same depth it grew before.
  5. Water in, then keep warm, humid, and in bright indirect light while it settles.

Division gives mature-looking plants immediately. Stem cuttings with a node and aerial root also root well in water or moist sphagnum — the general approach is covered in plant propagation methods.

Common problems

SymptomLikely causeFix
Soft yellow lower leaves, sour soilOverwatering / root rotUnpot, trim mushy roots, repot in airy mix
Brown crispy leaf edges or tipsLow humidity or mineral buildupRaise humidity above 60%; use filtered water
Healthy leaves but no spathesToo little light or excess nitrogenMore bright indirect light; phosphorus feed
Green or small, faded spathesLow light or fading old bloomsBrighter spot; remove spent spathes
Yellowing leaves overallOverwatering, cold, or nutrient stressCheck moisture, temperature, and feeding
Brown leaf spotsToo-cold water, leaf wetness, or sunburnMove out of direct sun; keep leaves dry
Cottony or sticky patchesPests (mealybugs, scale)Wipe with alcohol on a cotton swab; isolate

Brown leaf tips are the single most common complaint and are almost always a humidity or water-quality issue — our burnt leaf tips guide has the full fix. For anything beyond rot and tips, the common houseplant diseases hub has the diagnostic playbook.

Safety note: Anthurium is toxic to cats and dogs. The ASPCA lists the flamingo flower (Anthurium) as toxic to both, due to insoluble calcium oxalate crystals. Chewing the leaves, stems, or spathes can cause oral irritation; pain and swelling of the mouth, tongue, and lips; excessive drooling; vomiting; and difficulty swallowing. Keep it out of reach of pets and children, and contact your vet or the ASPCA Poison Control line if ingestion is suspected. If you need genuinely safe options, see our pet-safe houseplants list.



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Reviewed and updated by the Growli editorial team. For questions about anything here, open Growli and ask — or email hello@getgrowli.app.

Frequently asked questions

How often should I water an anthurium?

Roughly every 5-7 days in spring and summer and every 10-14 days in winter, but always check first — water only when the top inch of soil has dried. Anthuriums want evenly moist soil, never soggy and never bone-dry. In a chunky aroid mix in a bright warm room they dry faster, so test the soil rather than following a fixed calendar.

Why is my anthurium not flowering?

The most common reason is too little light — move it to bright indirect light. Other causes are too much nitrogen fertilizer (switch to a phosphorus-leaning bloom feed at half strength), humidity below 60%, temperatures under 65°F, or a pot-bound plant in exhausted soil that needs repotting. In good conditions a healthy anthurium blooms nearly year-round.

Why are my anthurium leaf tips turning brown?

Crispy brown edges and tips are almost always low humidity, which is common in heated homes in winter. Anthuriums want humidity above 60 percent, so run a humidifier or use a pebble tray. Mineral buildup from hard or fluoridated tap water can also brown tips — switch to filtered or rainwater and trim the brown parts with clean scissors.

Is anthurium toxic to cats and dogs?

Yes. The ASPCA lists the flamingo flower (Anthurium) as toxic to cats and dogs because of insoluble calcium oxalate crystals. Chewing it can cause oral irritation, pain and swelling of the mouth, tongue and lips, excessive drooling, vomiting, and difficulty swallowing. Keep it away from pets and call your vet or ASPCA Poison Control if ingestion is suspected.

What kind of soil and pot does an anthurium need?

A chunky, fast-draining aroid mix — not plain potting soil. Roughly equal parts potting mix, orchid bark, and perlite with a little coco coir works well, because it holds some moisture while keeping air around the roots. Use a pot only 1-2 inches larger than the root ball, with a drainage hole, since an oversized pot stays wet and causes root rot.

How do I propagate an anthurium?

Division is the easiest method, done at repotting time. Slide the plant out, find natural offsets that have their own leaves and roots, and separate a clump with a clean knife keeping several leaves and a chunk of roots. Pot each division in fresh aroid mix and keep it warm, humid, and in bright indirect light. Node cuttings with an aerial root also root in water or sphagnum.

Why are my anthurium flowers green instead of red?

Spathes often emerge greenish and color up as they mature, so a little green on new blooms is normal. Spathes that stay green or fade usually mean light is too low or the bloom is simply old and aging out. Move the plant to brighter indirect light and remove spent spathes at the base so the plant puts energy into fresh ones.

How can Growli help with my anthurium?

Open Growli, identify your anthurium variety with a photo, then set up a personalized care reminder. Growli adjusts watering frequency for your light level and season, sends humidity and feeding nudges so the spathes keep coming, and flags symptom photos that look like root rot or low humidity so you can act before it spreads.

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