Water Hyacinth
Eichhornia diversifolia
diversifolia
About this plant
Eichhornia diversifolia, commonly known as Water Hyacinth, is a floating aquatic plant with attractive green leaves and delicate flowers. It is known for its rapid growth and ability to cover water surfaces quickly. This plant is often used for ornamental purposes in ponds but can become invasive in some regions.
Taxonomy
- Genus
- Eichhornia
- Family
- Pontederiaceae
- Higher classification
- Order: Commelinales
- Plant type
- Perennial
- Lifespan
- Perennial
Origin & Distribution
- Native region
- South America
- Distribution
- Native to tropical and subtropical regions of South America; now found in many warm climates worldwide as an introduced species.
Care
- Light preference
- Full sun
- Suitable locations
- Outdoor, Greenhouse, Balcony
- Preferred window facing
- South-facing, Southeast-facing, Southwest-facing
- Watering frequency
- Frequent
- Humidity
- High
- Minimum
- 15 °C
- Maximum
- 35 °C
- Optimal
- 20-30 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5
- Soil type
- aquatic substrate or nutrient-rich water
Watering. As an aquatic plant, it grows in water and does not require traditional watering. Ensure it has enough water depth to float and grow.
Fertilizing. Generally, this plant does not require fertilizing if grown in nutrient-rich water. In poor water conditions, occasional light fertilization can help growth.
Eichhornia diversifolia is a hardy aquatic plant that grows quickly in water bodies. It prefers warm temperatures and plenty of sunlight. It requires minimal care but can become invasive if not controlled.
Propagation
- Propagation methods
- Seeds, Division
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Floating green leaves with attractive lavender to purple flowers; forms dense mats on water surfaces.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Mildly toxic
- Weed potential
- Potentially invasive
Generally non-toxic but avoid ingestion by pets or children as it may cause mild stomach upset.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Skin contact
- Pollen level
- None
Eichhornia diversifolia is not known to cause allergies. People sensitive to water plants or aquatic environments should still handle it with care to avoid skin irritation.
Common problems
If grown in still water without circulation, it can become overgrown and block sunlight for other aquatic life. It may also spread rapidly and clog waterways.
Uses
Used as an ornamental plant in ponds and water gardens; also studied for water purification and biomass production.
Notes
Regularly remove excess plants to prevent overcrowding and control spread. Prune dead leaves to maintain plant health. Avoid planting in natural waterways where it can become invasive.