Hot Water Lily Plant Care
Nymphaea thermarum Eb.Fisch.
Updated · Sources · How we source care data
Nymphaea thermarum, also known as Miniature Rwandan water lily, is a species of water lily that is endemic to Rwanda. Once thought to be extinct in the wild, all wild plants were believed to be lost due to destruction of its native habitat, but it was thought to be saved from extinction when it was grown from seed at the Royal Botanic Gardens, Kew in 2009.
Full sun to partial shade
At a glance
How do you care for Hot Water Lily?
Hot Water Lily grows best in full sun to partial shade.
Where Is the Hot Water Lily Native To?
What Is the Hot Water Lily?
Hot Water Lily (Nymphaea thermarum) belongs to the Nymphaeaceae family within the Nymphaea genus. Hot Water Lily is native to Rwanda.
Hot Water Lily displays a floating aquatic plant growth habit, reaching up to tall with a spread of approximately . Hot Water Lily produces showy, fragrant, solitary flowers in various colors.
What Light Does the Hot Water Lily Need?
Hot Water Lily thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Hot Water Lily?
Rich loamy soil with a layer of clay and organic matter, aquatic planting media. Good drainage is essential for Hot Water Lily to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Hot Water Lily?
Repot every 1-2 years in early 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 Hot Water Lily?
Hot Water Lily can be propagated through division of rhizomes, seeds. Similar propagation techniques also apply to white water lily plant care, which shares the same genus.
Is the Hot Water Lily Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Hot Water Lily, 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 Hot Water Lily?
Hot Water Lily is susceptible to aphids, leaf miners, 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
Hot Water Lily 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 Nymphaea genus — compare its care with other Nymphaea species on PlantoScan.
Nymphaea is part of the Nymphaeaceae plant family — browse all Nymphaeaceae genera and species.
Hot Water Lily thrives in bright light and direct sun — see other bright-light plants.
More Nymphaea Species
Other Nymphaea species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Nymphaea thermarum Eb.Fisch., family Nymphaeaceae (first published in Feddes Repert. 99: 388 (1988)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Hot Water Lily, 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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