Giant Anthurium (Anthurium jenmanii)

Photo: Guillaume DelaitreCC BY 4.0via iNaturalistresized / cropped

Giant Anthurium Plant Care

Anthurium jenmanii Engl.

Updated · Sources · How we source care data

The Anthurium jenmanii is easily recognized by its large, glossy, dark green leaves and velvety texture. Originating from the rainforests of Guyana and Venezuela, this plant is highly sought after by collectors for its striking foliage and unique appearance. With its beautiful, broad leaves and impressive size, the Anthurium jenmanii is a must-have for any plant enthusiast looking to add a touch of tropical elegance to their collection.

🪴Houseplants🌴Tropical Plants
Water

Every 7–10 days

Light

Bright indirect light

Temp

65–80°F

Humidity

60–80%

At a glance

How do you care for Giant Anthurium?

Water Giant Anthurium every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 65–80°F (18–27°C) and 60–80% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Giant Anthurium Native To?

Native range14 countries

What Is the Giant Anthurium?

Giant Anthurium (Anthurium jenmanii) belongs to the Araceae family within the Anthurium genus. Giant Anthurium is native to South America from Trinidad and Tobago to Brazil. Giant Anthurium is also known as Queen Anthurium, Jenman's Anthurium.

Giant Anthurium displays an upright, clumping perennial growth habit, reaching up to 2 ft tall with a spread of approximately 2 ft. Giant Anthurium produces distinctive spadix with colorful spathe in red, pink, white or green.

Leaf size: approximately 12 inches.

How Often Should You Water a Giant Anthurium?

Anthurium jenmanii requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–10 days

Let soil partially dry between waterings

What Light Does the Giant Anthurium Need?

Giant Anthurium thrives in bright indirect light. Avoid placing Giant Anthurium in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Giant Anthurium Prefer?

Anthurium jenmanii grows best at temperatures of 65–80°F. Giant Anthurium prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–80°F

Humidity

60–80%

What Soil Mix Works Best for a Giant Anthurium?

Well-draining, peat-based potting mix with perlite for aeration. Good drainage is essential for Giant Anthurium to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Giant Anthurium?

Feed Giant Anthurium every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.

Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

How Do You Repot a Giant Anthurium?

Repot every 2-3 years in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Giant Anthurium?

Giant Anthurium can be propagated through division, stem cuttings. Similar propagation techniques also apply to flamingo lily plant care, which shares the same genus.

Is the Giant Anthurium Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

Toxic to humans and pets if ingested, may cause skin irritation

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Giant Anthurium?

Giant Anthurium is susceptible to spider mites, aphids, mealybugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Giant Anthurium Need?

Giant Anthurium grows outdoors in USDA Zone 10b – 12b. It survives winters down to planting zone 10b. Giant Anthurium is native to South America from Trinidad and Tobago to Brazil. In cooler regions, grow Giant Anthurium as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 10b – 12b

Keep exploring plants

Giant Anthurium is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Anthurium genus — compare its care with other Anthurium species on PlantoScan.

Anthurium is part of the Araceae plant family — browse all Araceae genera and species.

Giant Anthurium thrives in bright light and direct sun — see other bright-light plants.

More Anthurium Species

Other Anthurium species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Anthurium jenmanii Engl., family Araceae (first published in Pflanzenr. , IV, 23B: 72 (1905)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Giant Anthurium is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Photo: Guillaume Delaitre, CC BY 4.0, iNaturalist — original.
  • Hardiness zone: USDA Zone 10b – 12b, estimated from the plant's typical growing conditions.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

PlantoScan app icon

Identify Plants Like the
Giant Anthurium Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species