Anthurium Care Guide: How to Grow Healthy Flamingo Flowers Indoors

Quick answer: Anthuriums grow best in bright indirect light, warm indoor temperatures, high humidity, and an airy, acidic, fast-draining potting mix. Water when the mix is approaching dryness about 2 inches below the surface, keep the roots moist but never soggy, and avoid cold drafts. Anthuriums are toxic if chewed or eaten, so keep them away from pets and children.

Anthuriums are tropical plants in the arum family, Araceae. The colorful “flower” most people notice is actually a modified leaf called a spathe, while the true small flowers sit on the central spike called a spadix. Common names include flamingo flower, flamingo lily, laceleaf, tailflower, and painter’s palette.

Anthurium Care Cheat Sheet

These care targets are supported by RHS, NC State Extension, UF/IFAS, Clemson Extension, Missouri Botanical Garden, Kew, ASPCA, University of Minnesota Extension, Colorado State Extension, and Google Search Central.

Light: Bright Indirect Light

Place Anthurium near an east- or west-facing window, or near a bright south-facing window filtered by a sheer curtain. Bright indirect light supports stronger growth and better flowering. Direct summer sun can scorch the leaves.

Too little light usually causes slow growth and fewer blooms. If the plant looks healthy but will not flower, improve light before adding more fertilizer. NC State notes that insufficient light can reduce flower production.

Watering: Moist, Not Wet

Water Anthurium when the potting mix is approaching dryness about 2 inches below the surface. Water thoroughly, let the excess drain out, and never let the pot sit in standing water. Keeping the mix too wet can cause root rot.

Use room-temperature rainwater or filtered water when possible, especially in hard-water areas. RHS notes that Anthuriums are acid-loving plants and that alkaline tap water can harm them over time.

Soil: Airy, Acidic, and Fast-Draining

Anthuriums are often epiphytic in nature, meaning many grow attached to trees rather than in dense ground soil. Indoors, they need an open mix that holds some moisture but still drains sharply.

A simple Anthurium soil recipe:

2 parts acidic houseplant mix or peat-free ericaceous mix + 1 part orchid bark + 1 part perlite or pumice

RHS recommends an open, moisture-retentive, sharply draining acidic mix using ericaceous compost, perlite, and orchid bark. Clemson also notes that Anthuriums prefer a coarse, well-drained medium because they grow as epiphytes.

Potting and Repotting

Use a pot with drainage holes. Repot every 2–3 years, or when the plant becomes rootbound. Move up only one pot size because oversized pots hold too much wet mix and increase root rot risk.

Repot in spring if possible. If roots are healthy but exposed near the soil surface, Missouri Botanical Garden notes that sphagnum moss can be used on the surface to help cover and keep exposed roots moist.

Temperature and Humidity

Keep Anthurium warm year-round. RHS recommends 65–86°F, while NC State lists 65–80°F as a preferred range for Anthurium andraeanum. Avoid cold drafts, sudden temperature changes, and direct heat from radiators or vents.

Humidity matters. Dry air can cause brown leaf edges. Use a humidifier, group tropical plants together, or place the pot above a pebble tray without letting the pot sit in water.

Fertilizer

Feed Anthurium during active growth, usually spring through fall. RHS recommends feeding from April to October with orchid fertilizer because Anthuriums need similar airy, acidic growing conditions.

Do not overfertilize a stressed plant. If leaves are yellow, roots are rotting, or the plant is in low light, fix light, watering, and drainage first.

How to Get Anthurium to Bloom

For better blooms, give Anthurium bright indirect light, warm temperatures, high humidity, and consistent but not soggy moisture. Clemson specifically recommends bright indirect light for maximum flower production, and NC State notes that nutrient deficiency or insufficient light can reduce flowering.

Remove old spent blooms at the base. NC State says pruning away old spent blooms can encourage more blooms.

Pruning and Cleaning

Anthuriums do not need major pruning. Remove dead leaves and old flower stems at the base. Wear gloves because the sap can irritate skin.

Wipe leaves with a damp cloth to remove dust. NC State recommends wiping indoor Anthurium leaves periodically, and clean leaves also make pests easier to spot early.

Anthurium Propagation

The easiest propagation methods are division and stem/rhizome cuttings. Pull apart a multi-stemmed plant into smaller rooted sections, or root a piece of stem with leaves and aerial roots in water before potting it.

Do not expect a single leaf with no stem or node to grow into a new Anthurium. Propagation needs a growth point from stem, rhizome, division, or seed.

Common Anthurium Problems

Yellow leaves: Usually overwatering, poor drainage, low nutrients, low light, or root stress. NC State lists overwatering, poor drainage, and lack of nutrients as common causes.

Brown leaf edges: Usually dry air, drafts, inconsistent watering, or salt buildup. RHS notes that dry air can brown Anthurium leaf edges.

No blooms: Usually low light, weak feeding, cold stress, or an exhausted plant. Improve bright indirect light first.

Leaf scorch: Usually too much direct sun, especially hot summer sun. RHS lists leaf scorch as a problem when plants are kept in direct summer sun.

Root rot: Usually from overwatering, dense soil, poor drainage, or letting the pot sit in water. RHS and NC State both identify overwatering/wet compost as a root rot risk.

Pests: Watch for aphids, mealybugs, spider mites, scale, whiteflies, and fungus gnats. NC State lists aphids, spider mites, mealybugs, and scales on Anthurium, while Missouri Botanical Garden lists mealybugs, spider mites, whitefly, and scale.

For pest control, isolate new or infested plants, inspect leaves and pots, remove small pest populations manually, and use labeled indoor plant treatments when needed. University of Minnesota Extension recommends isolating new plants, checking weekly, removing mealybugs with tweezers or alcohol-dipped cotton swabs, and removing small numbers of scale manually.

Is Anthurium Toxic to Cats, Dogs, and People?

Yes. Anthurium is toxic if chewed or eaten. ASPCA lists flamingo flower as toxic to dogs, cats, and horses because of insoluble calcium oxalates, with signs including oral irritation, mouth swelling, drooling, vomiting, and difficulty swallowing.

NC State also lists Anthurium as poisonous to humans with low severity poison characteristics and notes that sap can irritate skin and eyes. Keep Anthuriums away from pets and small children.

Florida Outdoor Note

In South Florida, Anthuriums can work in shady landscape beds, but they still need humid conditions, moist well-drained soil, and protection from harsh sun. UF/IFAS says outdoor Anthuriums do best in low light, while indoor Anthuriums need bright indirect light to thrive.

Final Care Rule

The best Anthurium care is simple: bright indirect light, warm temperatures, high humidity, airy acidic soil, careful watering, and strong drainage. Most problems come from cold drafts, dry air, low light, direct sun, or soil that stays wet too long.