Eichhornia Crassipes - Water Hyacinth
Best floating plant for pond owners seeking natural filtration and shade.
Discover the Eichhornia Crassipes, also known as Water Hyacinth, a highly popular and fast-growing aquatic plant. Renowned for its stunning lavender-blue flowers and distinctive fleshy, floating leaves, it's perfect for enhancing water gardens and ponds. This plant offers significant natural benefits, including providing essential cover for koi from predators, oxygenating the water, and acting as a natural biofilter by absorbing excess nutrients to help control algae. It requires no planting, simply floating on the water's surface.
$4.75
Owner Satisfaction
4.6
/ 5
Category Rank
408
/ 955
#408 in Aquatic Plants
Price vs Category Average
-74%
Below average
Sun Light
4
/ Full Sun minimum Hours/Day
Who it's for
- Pond owners seeking natural water filtration and clarity
- Gardeners wanting vibrant, orchid-like floral accents
- Fish keepers needing protective cover and shade
Who should skip it
- Pond owners wanting a low-maintenance, hands-off setup
- Residents living in regions with strict invasive species laws
- Gardeners in cold climates avoiding seasonal plant replacement
Performance breakdown
Natural Filtration
Highly effective at absorbing excess nutrients to naturally suppress algae growth.
Ease of Maintenance
Requires zero planting effort; simply place on the water surface.
Fish Protection
Dense root systems provide excellent cover for koi against aerial predators.
Growth Rate
Rapid expansion ensures quick coverage for large pond surfaces.
Aesthetic Appeal
Striking lavender-blue blooms offer a vibrant focal point for water gardens.
Climate Versatility
Thrives in warmer zones but requires protection during colder winter months.
Key Specs
Sun Light
Full Sun minimum 4 Hours/Day
Zone
Zones 9-11
Flowers
Summer
Growth
Fast
Fertilizer
Absorbed From Water
Depth
Floating
Height
2" to 12"
Aquarium Placement
Floating
Features
- Produces gorgeous lavender-blue flowers.
- Fleshy, rounded, floating leaves.
- Grows quickly in warm water.
- Provides natural cover for pond fish.
- Oxygenates and filters pond water.
- Acts as a natural biofilter.
- Controls algae by absorbing nutrients.
- Easy to care for.
What customers say
Consumers consistently praise the exceptional quality and vitality of the Water Hyacinth upon arrival. Reviewers frequently highlight the plants' robust health, noting they are significantly larger and greener than expected. This immediate high quality translates directly into outstanding ease of use; the plants quickly establish themselves, providing rapid pond coverage and effective natural filtration. While shipping occasionally presents minor issues, the overwhelming sentiment confirms this product offers reliable, healthy growth and superior performance for pond enthusiasts.
Know before you buy
No, the Water Hyacinth is a free-floating plant. It does not require any substrate, soil, or planting; simply place it directly onto the surface of your pond water.
Water Hyacinth requires a high-light environment. You should ensure it receives at least four hours of full sun per day to support its growth and flowering.
Yes, it acts as a natural biofilter. By absorbing excess nutrients from the water, it helps starve algae of its food source, which contributes to clearer water and a more balanced pond ecosystem.
This plant is best suited for outdoor ponds in hardiness zones 9 through 11. Because it thrives in warm water, it may not survive in regions with cold winters or freezing temperatures.
Absolutely. The floating leaves and trailing roots provide essential shade and cover, which helps protect your koi from predators and keeps the water cooler during hot summer days.
No supplemental fertilizer is required. The Water Hyacinth absorbs all the nutrients it needs directly from the pond water, making it a very low-maintenance addition to your garden.
Still have a question?
Ask Hayley anything about this product before you decide.