Waterhyacinth thrives in consistently submerged conditions. Maintain a water depth of at least 10-20 cm, ensuring the roots are fully covered.

In containers, ensure the water level remains high and never allows the potting medium to dry out, as this plant is semi-aquatic and requires constant moisture.

Pruning is primarily for managing spread and removing dead or yellowing leaves. Trim away any foliage that is no longer vibrant.

In natural settings or large ponds, regular removal is essential to prevent it from choking out other aquatic life and dominating the water surface.

Waterhyacinth propagates rapidly through vegetative means. The plant produces runners that develop into new daughter plants.

Simply allow these runners to grow and detach the new plantlets once they have developed their own roots. It can also be grown from seed, though this is less common.

Repotting is generally not applicable as waterhyacinth is an aquatic plant and typically grown directly in water bodies or large, water-filled containers. If grown in a contained system that needs a refresh, it involves moving existing plants to a new, clean water environment and ensuring they are properly anchored.