Water poppy Plant Care
Hydrocleys nymphoides (Humb. & Bonpl. ex Willd.) Buchenau
Updated · Sources · How we source care data
Hydrocleys nymphoides, the waterpoppy or water-poppy, is an aquatic plant species in the Alismataceae. It is widespread across South America, Central America, Puerto Rico, Trinidad and the Netherlands Antilles.
Full sun to partial shade
At a glance
How do you care for Water poppy?
Water poppy grows best in full sun to partial shade.
What Is the Water poppy?
Water poppy (Hydrocleys nymphoides) belongs to the Alismataceae family within the Hydrocleys genus. Water poppy is also known as Hygrophila, Lobelia.
Water poppy displays a spreading aquatic plant growth habit, reaching up to tall with a spread of approximately . Water poppy produces small white or yellow flowers with yellow centers.
What Light Does the Water poppy Need?
Water poppy thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Water poppy?
Rich, loamy soil with good moisture retention. Good drainage is essential for Water poppy to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Water poppy?
Repot annually 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 Water poppy?
Water poppy can be propagated through division of rhizomes, seeds.
Is the Water poppy Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Water poppy, 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 Water poppy?
Water poppy is susceptible to aphids, snails, slugs. 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
Water poppy 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 Hydrocleys genus — compare its care with other Hydrocleys species on PlantoScan.
Hydrocleys is part of the Alismataceae plant family — browse all Alismataceae genera and species.
Water poppy 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: Hydrocleys nymphoides (Humb. & Bonpl. ex Willd.) Buchenau, family Alismataceae (first published in Abh. Naturwiss. Vereins Bremen 2: 2 (1871)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Water poppy, 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.
Identify Plants Like the
Water poppy Instantly
Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.
Free
to download
iOS & Android
platforms
Light & dark
mode
100,000+
species