Idimanthus amorphophalloides Plant Care

Idimanthus amorphophalloides E.G.Gonç.

Updated · Sources · How we source care data

Idimanthus amorphophalloides is a species of flowering plant in the arum family, Araceae. It is the sole species in genus Idimanthus.

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Water

Every 7–10 days

Light

Bright indirect to low light

Temp

65–80°F

Humidity

60–80%

At a glance

How do you care for Idimanthus amorphophalloides?

Water Idimanthus amorphophalloides every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect to low 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 Idimanthus amorphophalloides Native To?

Native range1 country

What Is the Idimanthus amorphophalloides?

Idimanthus amorphophalloides (Idimanthus amorphophalloides) belongs to the Araceae family within the Idimanthus genus. Idimanthus amorphophalloides is native to Rio de Janeiro state in southeastern Brazil.

Idimanthus amorphophalloides displays a large, climbing vine growth habit, reaching up to 6 ft tall with a spread of approximately 2 ft. Idimanthus amorphophalloides produces small, inconspicuous flowers surrounded by a spadix.

Leaf size: approximately 12 inches.

How Often Should You Water a Idimanthus amorphophalloides?

Idimanthus amorphophalloides 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 Idimanthus amorphophalloides Need?

Idimanthus amorphophalloides thrives in bright indirect to low light. Avoid placing Idimanthus amorphophalloides in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect to low light

What Temperature and Humidity Does the Idimanthus amorphophalloides Prefer?

Idimanthus amorphophalloides grows best at temperatures of 65–80°F. Idimanthus amorphophalloides 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 Idimanthus amorphophalloides?

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

How Often Should You Fertilize a Idimanthus amorphophalloides?

Feed Idimanthus amorphophalloides 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 Idimanthus amorphophalloides?

Repot every 1-2 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 Idimanthus amorphophalloides?

Idimanthus amorphophalloides can be propagated through division of rhizomes, air layering.

Is the Idimanthus amorphophalloides Toxic to Pets and Children?

Toxic (caution)

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

Mildly toxic to humans and pets if ingested

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 Idimanthus amorphophalloides?

Idimanthus amorphophalloides is susceptible to spider mites, mealybugs, scale insects. 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 Idimanthus amorphophalloides Need?

Idimanthus amorphophalloides grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Idimanthus amorphophalloides is native to Rio de Janeiro state in southeastern Brazil. In cooler regions, grow Idimanthus amorphophalloides as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Idimanthus amorphophalloides 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 Idimanthus genus — compare its care with other Idimanthus species on PlantoScan.

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

Idimanthus amorphophalloides copes with lower light than most plants — browse the full list of low-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Idimanthus amorphophalloides E.G.Gonç., family Araceae (first published in Phytotaxa 351: 89 (2018)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Idimanthus amorphophalloides 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.
  • Hardiness zone: USDA Zone 13b, calculated from the plant's minimum temperature.
  • 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.

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