(c) Thomas Mesaglio, some rights reserved (CC BY)
iNaturalist
Blue Lotus Plant Care
Nymphaea caerulea Savigny
This aquatic plant is known for its striking blue color, which sets it apart from other water lilies. Originating from Egypt, Nymphaea caerulea attracts plant collectors with its historical significance as a sacred symbol in ancient Egyptian culture, making it a unique and coveted addition to any water garden.
Every 3–5 days
Full sun to partial shade
65–85°F
70–80%
What Is the Blue Lotus?
Blue Lotus (Nymphaea caerulea) belongs to the Nymphaeaceae family within the Nymphaea genus. Blue Lotus is native to Egypt, Sudan. Blue Lotus is also known as Blue Water Lily, Egyptian Water Lily, Water Lily.
Blue Lotus displays a floating aquatic plant growth habit, reaching up to 2 inches tall with a spread of approximately 3 inches. Blue Lotus produces showy, fragrant, solitary flowers in various colors.
Leaf size: approximately 0 inches.
How Often Should You Water a Blue Lotus?
Nymphaea caerulea requires watering every 3–5 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 3–5 days
Let soil partially dry between waterings
What Light Does the Blue Lotus Need?
Blue Lotus thrives in full sun to partial shade light conditions. The optimal light range is 0–0 lux. Avoid placing Blue Lotus in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Full sun to partial shade
0–0 lux
What Temperature and Humidity Does the Blue Lotus Prefer?
Nymphaea caerulea grows best at temperatures between 65°F and 85°F. Blue Lotus prefers humidity levels of 70–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–85°F
Humidity
70–80%
What Soil Mix Works Best for a Blue Lotus?
Rich loamy soil with a layer of clay and organic matter, aquatic planting media. Good drainage is essential for Blue Lotus to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Blue Lotus?
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 Blue Lotus?
Blue Lotus can be propagated through division of rhizomes, seeds.
Fertilizing
Every 1 month
During the growing season
Is the Blue Lotus Toxic to Pets and Children?
Non-Toxic
Non-toxic to humans and pets
What Pests and Diseases Affect the Blue Lotus?
Blue Lotus 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.
What USDA Hardiness Zone Does the Blue Lotus Need?
Blue Lotus grows outdoors in USDA Zone 10b – 13b. Native to Egypt, Sudan, Blue Lotus is adapted to warm climates. In cooler regions, grow Blue Lotus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 13b
Keep exploring plants
Blue Lotus 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.
Blue Lotus tolerates low-light rooms and shaded spots — browse the full list of low-light plants.
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