Does it need a lot of light?

It prefers bright, indirect light rather than direct sun.

How often should I water it?

Keep the medium consistently moist but never soggy.

Plant guide

Bucket orchid.

Coryanthes speciosa

Pronounced koh-ree-AN-theez spee-see-OH-suh

Bucket Orchids (genus) — Photo by Ashley Nahomy Beitia (CC BY) via iNaturalist

The bucket orchid is a fascinating epiphyte known for its complex, bucket shaped flowers. It relies on specific bees for pollination in its native tropical habitat. These plants are quite unique and definitely a conversation starter for any orchid enthusiast.

At a glance

Care level: Difficult
Plant type: Epiphytic orchid
Light: Filtered bright light
Indoor light: Bright indirect
Water: Every 3 to 7 days
Mature size: 1 to 2 feet
Growth rate: Medium
Hardiness: USDA 11 to 12
Bloom time: Late spring to summer

Care

Keep the environment very humid and ensure the roots stay moist but never soggy. Watch for shriveled pseudobulbs which indicate the plant needs more water. Provide excellent air circulation to prevent fungal issues on the foliage.

Watering: Water when the top inch of the potting medium feels slightly dry to the touch.
Feeding: Use a balanced orchid fertilizer diluted to half strength during the active growing season.
Pruning: Trim away dead or yellowing leaves using sterilized shears to maintain plant health.
Repotting: Repot only when the potting medium begins to break down or the plant outgrows its container.
Soil: Orchid bark mix
Soil pH: 5.5 to 6.5
Temperature: 15 to 28°C
Humidity: 70 to 90%
Drought tolerance: Low
Lifespan: Perennial, typically 5 to 10 years
Fragrance: Strong
Deer and rabbits: Moderate

Signs it needs repotting

medium has broken down
new growth is over the edge of the basket

Safety

People: There are no known reports of toxicity to humans, but it is not intended for consumption.
Pets: This plant is generally considered non toxic to cats and dogs.
Children: Keep this plant away from small children due to the complex flower structure and potential for accidental ingestion of plant parts.
Edibility: This plant is not edible and should not be consumed.

How to identify it

Complex bucket shaped labellum
Fragrant waxy flowers
Pleated lanceolate leaves
Pseudobulbs at base

Height: 0.2 to 0.4m
Spread: 0.2 to 0.3m
Leaves: green, evergreen
Flowers: cream, yellow, red, 8 to 12cm

Problems to watch for

Root RotCommon
Scale InsectsCommon
Brown Leaf EdgesUncommon
Fungus GnatsUncommon
MealybugsUncommon
Spider MitesUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: division
When to plant: spring
Overwintering: Keep the plant in a warm, humid indoor environment during colder months. Ensure it stays away from cold drafts and heating vents.
In containers: It is best grown in a hanging basket to allow the flower spikes to grow downward.

Division

Wait until the plant has finished flowering.
Gently remove the plant from its basket.
Divide the pseudobulbs into clumps with at least three bulbs each.
Repot the divisions into fresh orchid medium.

Group this orchid with other tropical plants to help maintain a localized humid microclimate.

Grows well with

Ferns · They enjoy similar high humidity levels.
Bromeliads · They thrive in the same warm, humid environment.

Similar species

Stanhopea · They share similar complex floral structures and growth habits.

Science

Family: Orchidaceae
Genus: Coryanthes
Order: Asparagales
Class: Liliopsida
Native range: Tropical South America
Conservation: This species is not currently listed as endangered, but wild collection should be avoided to protect native populations.

It grows as an epiphyte in humid tropical forests, often associated with ant nests.

Value to wildlife: specialized pollination mechanism
Pollinators: bees
Uses: ornamental orchid collection, botanical interest

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 1/9
Soil reaction: 5/9
Light: 4/9
Temperature: 9/9
Moisture: 8/9
Nutrients: 3/9

Taxonomy resolved against GBIF.

Questions people ask

Does it need a lot of light?: It prefers bright, indirect light rather than direct sun.
How often should I water it?: Keep the medium consistently moist but never soggy.

Where the name comes from

The name Coryanthes comes from the Greek words for helmet and flower, referring to the unique shape of the bloom.

Good to know

The flower structure is one of the most complex in the orchid family.
It is often called the bucket orchid.
The scent is very strong and attracts specific male euglossine bees.

Keep your bucket orchid growing

This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

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This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.