🚫 Water hyacinth
❌ Invasive

Water hyacinth

Pontederia crassipes · Pontederiaceae

Forms floating mats that deoxygenate water, block irrigation and navigation, and raise evapotranspiration and siltation

🌍 Origin: South America (not native to India)

Why Water hyacinth is a problem

Forms floating mats that deoxygenate water, block irrigation and navigation, and raise evapotranspiration and siltation

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What to plant instead

Management species; restore native macrophytes (Nymphaea nouchali, Nelumbo nucifera) after clearance

Frequently asked questions

Is Water hyacinth invasive in India?

Yes. Water hyacinth (Pontederia crassipes) is considered invasive in India. Forms floating mats that deoxygenate water, block irrigation and navigation, and raise evapotranspiration and siltation

Why is Water hyacinth a problem?

Forms floating mats that deoxygenate water, block irrigation and navigation, and raise evapotranspiration and siltation

What can I plant instead of Water hyacinth?

Good native alternatives include Lotus (National Flower).

Other invasive plants to avoid

Sources: R5, R6. See full references.

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