Usteri's Water Trumpet Plant Care
Cryptocoryne usteriana Engl.
Updated · Sources · How we source care data
Cryptocoryne usteriana is a species of aquatic herb in the family Araceae endemic to the Philippines. It was named after the German botanist Alfred Usteri who discovered the plant in the island-province of Guimaras in 1902.
Every 7–10 days
Medium indirect light
65–80°F
60–80%
At a glance
How do you care for Usteri's Water Trumpet?
Water Usteri's Water Trumpet every 7–10 days, letting the top layer of soil dry out between waterings, and give it medium indirect light. It prefers temperatures of 65–80°F (18–27°C) and 60–80% humidity. Fertilize it every 4 months during the growing season.
What Is the Usteri's Water Trumpet?
Usteri's Water Trumpet (Cryptocoryne usteriana) belongs to the Araceae family within the Cryptocoryne genus. Usteri's Water Trumpet is native to the mainland Panay, in tributaries of lowland bedrock river with not too rapidly flowing water and seasonal flood pools. Usteri's Water Trumpet is also known as Philippine Water Trumpet.
Usteri's Water Trumpet displays a rosette-forming perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 0.5 ft. Usteri's Water Trumpet produces small, inconspicuous flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Usteri's Water Trumpet?
Cryptocoryne usteriana 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 Usteri's Water Trumpet Need?
Usteri's Water Trumpet thrives in medium indirect light. Avoid placing Usteri's Water Trumpet in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Medium indirect light
What Temperature and Humidity Does the Usteri's Water Trumpet Prefer?
Cryptocoryne usteriana grows best at temperatures of 65–80°F. Usteri's Water Trumpet 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 Usteri's Water Trumpet?
Rich, loamy soil with good drainage. Good drainage is essential for Usteri's Water Trumpet to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Usteri's Water Trumpet?
Feed Usteri's Water Trumpet every 4 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 4 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 Usteri's Water Trumpet?
Repot every 1-2 years. 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 Usteri's Water Trumpet?
Usteri's Water Trumpet can be propagated through division, rhizome cuttings. Similar propagation techniques also apply to affinis cryptocoryne plant care, which shares the same genus.
Is the Usteri's Water Trumpet Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Usteri's Water Trumpet, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
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 Usteri's Water Trumpet?
Usteri's Water Trumpet is susceptible to spider mites, aphids. 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 Usteri's Water Trumpet Need?
Usteri's Water Trumpet grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Usteri's Water Trumpet is native to the mainland Panay, in tributaries of lowland bedrock river with not too rapidly flowing water and seasonal flood pools. In cooler regions, grow Usteri's Water Trumpet as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Usteri's Water Trumpet 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 Cryptocoryne genus — compare its care with other Cryptocoryne species on PlantoScan.
Cryptocoryne is part of the Araceae plant family — browse all Araceae genera and species.
Usteri's Water Trumpet thrives in bright light and direct sun — see other bright-light plants.
More Cryptocoryne Species
Other Cryptocoryne species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Cryptocoryne usteriana Engl., family Araceae (first published in Beitr. Kenntn. Philipp. : 130 (1905)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Usteri's Water Trumpet, so we can't confirm whether it is safe for cats and dogs. 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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