Sumatra Waterweed Plant Care
Elodea sumatrana Jack
Updated · Sources · How we source care data
Cratoxylum sumatranum is a species of flowering plant in the Hypericaceae family. Found in Southeast Asia, it grows up to 51 m (167 ft) tall and is harvested locally for timber and fuel.
Full sun to partial shade
At a glance
How do you care for Sumatra Waterweed?
Sumatra Waterweed grows best in full sun to partial shade.
Where Is the Sumatra Waterweed Native To?
What Is the Sumatra Waterweed?
Sumatra Waterweed (Elodea sumatrana) belongs to the Hydrocharitaceae family within the Elodea genus. Sumatra Waterweed is native to Southeast Asia, it grows up to 51 m (167 ft) tall.
Sumatra Waterweed displays a submerged aquatic plant growth habit, reaching up to tall with a spread of approximately . Sumatra Waterweed produces small, inconspicuous flowers underwater.
What Light Does the Sumatra Waterweed Need?
Sumatra Waterweed thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Sumatra Waterweed?
Nutrient-rich aquatic soil or loamy soil with good drainage. Good drainage is essential for Sumatra Waterweed to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Sumatra Waterweed?
Can remain in the same container indefinitely. 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 Sumatra Waterweed?
Sumatra Waterweed can be propagated through division, stem cuttings. Similar propagation techniques also apply to nuttall's waterweed plant care, which shares the same genus.
Is the Sumatra Waterweed Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sumatra Waterweed, 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 Sumatra Waterweed?
Sumatra Waterweed is susceptible to algae, snails. 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.
Keep exploring plants
Sumatra Waterweed 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 Elodea genus — compare its care with other Elodea species on PlantoScan.
Elodea is part of the Hydrocharitaceae plant family — browse all Hydrocharitaceae genera and species.
Sumatra Waterweed thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Elodea sumatrana Jack, family Hydrocharitaceae (first published in Malayan Misc. 2(7): 22 1822) — World Flora Online record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sumatra Waterweed, 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.
- 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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