North America Non-native Plant

Egyptian Lotus

Botanical name: Nymphaea caerulea

USDA symbol: NYCA3

Life cycle: perennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Hawaii  

Egyptian Lotus: The Stunning Blue Water Lily That’s Captivating Hawaiian Gardens If you’ve ever dreamed of adding a touch of exotic elegance to your water garden, the Egyptian lotus (Nymphaea caerulea) might just be the showstopper you’re looking for. This striking aquatic perennial has been making waves in Hawaiian water ...

Egyptian Lotus: The Stunning Blue Water Lily That’s Captivating Hawaiian Gardens

If you’ve ever dreamed of adding a touch of exotic elegance to your water garden, the Egyptian lotus (Nymphaea caerulea) might just be the showstopper you’re looking for. This striking aquatic perennial has been making waves in Hawaiian water features with its mesmerizing blue blooms and intoxicating fragrance.

What Makes Egyptian Lotus Special?

The Egyptian lotus isn’t your average water lily. This perennial forb produces some of the most breathtaking flowers you’ll find floating on water surfaces. Picture this: delicate petals in shades of sky blue to deep azure, surrounding bright yellow centers that seem to glow in the morning sun. The flowers aren’t just beautiful—they’re fragrant too, releasing a sweet scent that adds another sensory dimension to your garden experience.

As a herbaceous plant (or forb, in botanical terms), the Egyptian lotus lacks the woody stems of shrubs and trees, instead growing from underground rhizomes that overwinter below the water line. This growth habit makes it perfectly adapted for aquatic life.

Where You’ll Find Egyptian Lotus

While originally hailing from the waterways of East and southern Africa, Egyptian lotus has found a new home in Hawaii, where it has established itself and now reproduces naturally in the wild. It’s currently the only U.S. state where this species has become naturalized.

Is Egyptian Lotus Right for Your Garden?

Here’s the scoop: Egyptian lotus is a non-native species, which means it didn’t originally grow in North American waters. However, it’s not currently listed as invasive or noxious, so you won’t be breaking any gardening rules by planting it. That said, if you’re passionate about supporting local ecosystems, you might want to consider native water lily alternatives first.

This plant is an obligate wetland species, meaning it absolutely must have water to survive—you won’t find it growing anywhere but in ponds, lakes, or other aquatic environments.

Perfect Garden Settings

Egyptian lotus thrives in:

  • Ornamental ponds and water gardens
  • Large water containers or half-barrel gardens
  • Natural or constructed wetlands
  • Slow-moving water features

It serves as a stunning focal point in aquatic landscapes and works beautifully alongside other water plants to create a diverse, layered look.

Growing Conditions and Care

If you’re ready to take the plunge (pun intended), here’s what Egyptian lotus needs to flourish:

Climate Requirements: This tropical beauty is suited for USDA hardiness zones 9-11, making it perfect for warmer climates. If you live in cooler areas, you can grow it as an annual or bring containers indoors during winter.

Light and Water: Full sun is non-negotiable—at least 6 hours of direct sunlight daily. The plant needs still or very slow-moving water, typically 12-24 inches deep.

Planting Tips:

  • Use aquatic planting containers filled with heavy clay soil or specialized aquatic potting mix
  • Plant rhizomes horizontally with growing tips just above soil level
  • Cover soil surface with pea gravel to prevent soil from floating away
  • Slowly lower containers into water after planting

Ongoing Care: Feed regularly during the growing season with aquatic plant fertilizer tablets. Remove spent flowers and yellowing leaves to keep plants healthy and attractive.

Wildlife and Pollinator Benefits

Egyptian lotus flowers open in the morning and attract various pollinators, including bees. The blooms typically close by afternoon, creating a daily rhythm that adds interest to your water garden. While specific wildlife benefits aren’t well-documented for this species, most water lilies provide some habitat for aquatic insects and small creatures.

The Bottom Line

Egyptian lotus offers undeniable beauty for water gardeners willing to provide the right conditions. Its spectacular blue blooms and sweet fragrance make it a conversation starter that’s hard to resist. Just remember that as a non-native species, it’s worth considering native water lily alternatives that might provide similar beauty while supporting local wildlife.

Whether you choose Egyptian lotus or explore native options, adding any water lily to your garden brings a sense of tranquility and natural elegance that’s hard to match. Happy water gardening!

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Hawaii

OBL

Obligate Wetland - Plants with this status almost always occurs in wetlands

Egyptian Lotus

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Nymphaeales

Family

Nymphaeaceae Salisb. - Water-lily family

Genus

Nymphaea L. - waterlily

Species

Nymphaea caerulea Savigny - Egyptian lotus

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA