Jasarum steyermarkii Plant Care
Jasarum steyermarkii G.S.Bunting
Updated · Sources · How we source care data
Jasarum is a monotypic genus of flowering plants in the family Araceae. The single species that makes up the genus is Jasarum steyermarkii.
Every 7–10 days
Bright indirect to low light
65–80°F
60–80%
At a glance
How do you care for Jasarum steyermarkii?
Water Jasarum steyermarkii 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.
What Is the Jasarum steyermarkii?
Jasarum steyermarkii (Jasarum steyermarkii) belongs to the Araceae family within the Jasarum genus. Jasarum steyermarkii is native to two river systems in Venezuela and Guyana.
Jasarum steyermarkii displays a clumping, spreading perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 2 ft. Jasarum steyermarkii produces small, inconspicuous flowers surrounded by a colorful spathe.
Leaf size: approximately 8 inches.
How Often Should You Water a Jasarum steyermarkii?
Jasarum steyermarkii 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 Jasarum steyermarkii Need?
Jasarum steyermarkii thrives in bright indirect to low light. Avoid placing Jasarum steyermarkii 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 Jasarum steyermarkii Prefer?
Jasarum steyermarkii grows best at temperatures of 65–80°F. Jasarum steyermarkii 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 Jasarum steyermarkii?
Rich, well-draining potting mix with added perlite and peat moss. Good drainage is essential for Jasarum steyermarkii to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Jasarum steyermarkii?
Feed Jasarum steyermarkii 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 Jasarum steyermarkii?
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 Jasarum steyermarkii?
Jasarum steyermarkii can be propagated through division, offsets, air layering.
Is the Jasarum steyermarkii 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 Jasarum steyermarkii?
Jasarum steyermarkii 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 Jasarum steyermarkii Need?
Jasarum steyermarkii grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Jasarum steyermarkii is native to two river systems in Venezuela and Guyana. In cooler regions, grow Jasarum steyermarkii as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Jasarum steyermarkii 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 Jasarum genus — compare its care with other Jasarum species on PlantoScan.
Jasarum is part of the Araceae plant family — browse all Araceae genera and species.
Jasarum steyermarkii 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: Jasarum steyermarkii G.S.Bunting, family Araceae (first published in Acta Bot. Venez. 10: 264 (1975 publ. 1977)) — World Flora Online record, IPNI name record.
- Pet toxicity: Jasarum steyermarkii 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.
