Hottarum truncatum Plant Care

Hottarum truncatum (M.Hotta) Bogner & Nicolson

Updated · Sources · How we source care data

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

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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 Hottarum truncatum?

Water Hottarum truncatum 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 Hottarum truncatum Native To?

Native range3 countries

What Is the Hottarum truncatum?

Hottarum truncatum (Hottarum truncatum) belongs to the Araceae family within the Hottarum genus. Hottarum truncatum is native to the Malaysian state of Sarawak on the island of Borneo.

Hottarum truncatum displays a clumping herbaceous perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1.5 ft. Hottarum truncatum produces small inconspicuous flowers enclosed in a spadix, surrounded by a spathe.

Leaf size: approximately 12 inches.

How Often Should You Water a Hottarum truncatum?

Hottarum truncatum 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 Hottarum truncatum Need?

Hottarum truncatum thrives in bright indirect to low light. Avoid placing Hottarum truncatum 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 Hottarum truncatum Prefer?

Hottarum truncatum grows best at temperatures of 65–80°F. Hottarum truncatum 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 Hottarum truncatum?

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

How Often Should You Fertilize a Hottarum truncatum?

Feed Hottarum truncatum 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 Hottarum truncatum?

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 Hottarum truncatum?

Hottarum truncatum can be propagated through division of rhizomes, offsets, or air layering.

Is the Hottarum truncatum 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, 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 Hottarum truncatum?

Hottarum truncatum 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 Hottarum truncatum Need?

Hottarum truncatum grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Hottarum truncatum is native to the Malaysian state of Sarawak on the island of Borneo. In cooler regions, grow Hottarum truncatum as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13b

Keep exploring plants

Hottarum truncatum 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 Hottarum genus — compare its care with other Hottarum species on PlantoScan.

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

Hottarum truncatum 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: Hottarum truncatum (M.Hotta) Bogner & Nicolson, family Araceae (first published in Aroideana 1: 72 (1978)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Hottarum truncatum 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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