Plant guide

Moth orchid.

Phalaenopsis amabilis

Pronounced fal-uh-NOP-sis uh-MAB-ih-liss

The moth orchid is a classic houseplant known for its elegant, long lasting blooms that resemble fluttering moths. It is an epiphyte, meaning it grows on trees in its native habitat rather than in soil. You will love how its graceful arching stems brighten up any indoor space.

At a glance

Care level: Moderate
Plant type: Epiphytic orchid
Light: Bright indirect light is best.
Indoor light: Bright indirect
Water: Every 7 to 10 days
Mature size: 2 feet tall
Growth rate: Slow

Care

Plant these in a specialized orchid bark mix to ensure proper airflow around the roots. Watch for wrinkled leaves which suggest dehydration, or yellowing leaves that might indicate overwatering. Keep them in a spot with high humidity and avoid direct sunlight that could scorch their foliage.

Watering: Water only when the roots turn silvery gray and the potting medium feels dry.
Feeding: Use a balanced orchid fertilizer diluted to half strength during the growing season.
Pruning: Cut the flower spike back to the base once all the blooms have faded.
Repotting: Repot every couple of years to refresh the bark medium before it breaks down.
Soil: Orchid bark or sphagnum moss
Soil pH: 5.5 to 6.5

Safety

Pets: This plant is considered non toxic to cats and dogs.

How to identify it

Broad, fleshy, dark green leaves
Long, arching flower spikes
Flat, moth shaped petals
Thick, silvery aerial roots

Science

Family: Orchidaceae
Genus: Phalaenopsis
Order: Asparagales
Class: Liliopsida

Taxonomy resolved against GBIF.

Is your moth orchid looking unwell?

This page is a general guide. Pocket Botanist diagnoses problems from a photo of your actual plant, works out watering for your light and conditions, and reminds you when care is due.

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This guide was generated with AI and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.