Giant Water Lily Plant Care
Nymphaea gigantea Hook.
Updated · Sources · How we source care data
Nymphaea gigantea, commonly known as the giant waterlily or blue waterlily, is a perennial, herbaceous plant in the family Nymphaeaceae which is native to parts of northern and eastern Australia, and possibly New Guinea, and has been widely cultivated elsewhere. It is an aquatic plant whose natural habitat is permanent and semi-permanent still water bodies.
Full sun to partial shade
At a glance
How do you care for Giant Water Lily?
Giant Water Lily grows best in full sun to partial shade.
Where Is the Giant Water Lily Native To?
What Is the Giant Water Lily?
Giant Water Lily (Nymphaea gigantea) belongs to the Nymphaeaceae family within the Nymphaea genus. Giant Water Lily is native to parts of northern and eastern Australia, and possibly New Guinea, and has been widely cultivated else. Giant Water Lily is also known as Australian Giant Water Lily.
Giant Water Lily displays a floating aquatic plant growth habit, reaching up to tall with a spread of approximately . Giant Water Lily produces showy, fragrant, solitary flowers in various colors.
What Light Does the Giant Water Lily Need?
Giant Water Lily thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Giant Water Lily?
Rich loamy soil with a layer of clay and organic matter, aquatic planting media. Good drainage is essential for Giant Water Lily to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Giant 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 Giant Water Lily?
Giant 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 Giant Water Lily Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Giant 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 Giant Water Lily?
Giant 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
Giant 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.
Giant 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 gigantea Hook., family Nymphaeaceae (first published in Bot. Mag. 78: t. 4647 (1852)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Giant 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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