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Blue Lotus Water Lily

Nymphaea caerulea

Also found as Nymphaea caerulea Andrews

Nymphaea Caerulea (Nymphaea caerulea) is a aquatic companion plant. Its care profile below covers light, water, temperature, humidity, substrate, feeding, seasonal care, propagation, and household placement.

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Typical placement: A sunny warm pond or large still-water container
Care: Specialist · Tropical waterlily
Everyday size: Aquatic spread depends on tank or pond depth, light, and pruning.
Collector class: Premium
Seller listings: No verified seller listed

Botanical identity

One canonical record.

Names, aliases, lineage, and care information are organized here under one companion plant record.

Genus: Nymphaea
Family: Nymphaeaceae
Genetic status: Species
Propagation forms: Cutting · Rooted cutting · Seedling
Plant form: Representative photograph
Information checked: 2026-07-31

Household safety

Conservative household placement

No exact ASPCA cat-and-dog listing is used for this record, so the plant is not presented as pet-safe. Prevent chewing and ingestion.

This ornamental plant is not food. Keep it out of reach and teach children not to taste leaves, flowers, seeds, sap, or potting media.

Read the complete safety guidance

Practical care guide

How to care for Blue Lotus Water Lily

Tropical waterlily guidance translated into an everyday growing plan.

Specialist

Light: Full sun for reliable flowering
Water: Grow submerged at the species-appropriate crown depth in calm water
Temperature: Warm water; tropical waterlilies require frost-free winter care (21–32°C)
Humidity: Aquatic (80–100%)
Potting medium: Heavy aquatic loam in a submerged planting basket
Drainage: Not applicable; use calm water away from fountains and turbulence
Feeding: Aquatic fertilizer tablets placed in the basket during active growth
Pruning and grooming: Remove yellow leaves and spent flowers at the base
Seasonal rhythm: Maintain warm water and overwinter the crown frost-free
Propagation: Division or offsets; seed for specialist propagation
Travel planning: Requires a stable pond or container-water system with level and temperature checks
Common watch-outs: Spider mites · Mealybugs · Scale insects · Fungus gnats when the root zone stays too wet · Root rot from poor drainage · Leaf spotting where foliage remains wet without airflow

Care sourcesRoyal Horticultural Society — Waterlily growing guide

Safety and placement

A clear household plan

Conservative precaution based on the ASPCA database's stated limitation that its list is not all-inclusive. Absence from the list is not treated as proof of safety.

Pets: No exact ASPCA cat-and-dog listing is used for this record, so the plant is not presented as pet-safe. Prevent chewing and ingestion.
Children: This ornamental plant is not food. Keep it out of reach and teach children not to taste leaves, flowers, seeds, sap, or potting media.
Handling: Open water requires child- and pet-safe placement
Placement: Choose a stable location beyond the reach of children and animals; collect fallen material promptly.
If exposure happens: If a person chews the plant, contact Poison Control at 1-800-222-1222. For animal exposure, call a veterinarian or ASPCA Animal Poison Control at 1-888-426-4435; urgent breathing, collapse, seizure, or severe swelling requires emergency care.

Safety sourcesASPCA Toxic and Non-Toxic Plants database Poison Control plant safety guide

Plant visual

The companion plant, clearly credited.

Primary identification photograph

The source photograph is retained with its original credit and license.

Photographer: (c) Thomas Mesaglio, some rights reserved (CC BY)
License: CC BY 4.0
Original: View photograph source
Botanical source: View identity source

Scenes

See Blue Lotus Water Lily in three settings.

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Blue Lotus Water Lily

Designer aquarium · Architectural water feature · Conservatory pond

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Verified availability only

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Vendor, price, stock, pre-order, and waiting-list information appears only after the exact listing and seller terms are confirmed.

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