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Water Hyacinth
Botanical name: Eichhornia crassipes and azurea
Noxious Weed Category: Class 2
Aquatic Weed Regional Management Plan
Source: Weeds of the Upper & Central Coast
Description
Free-floating aquatic plant growing in shallow to deep water or mud. It has bright, shiny, pale-green leaves which grow on swollen bladder like stems.
Attractive dark blue to purple flowers with yellow centre, flowering in summer. Seed may lay dormant for many years, in capsules at base of flower. Also reproduces vegetatively.
Dispersal
Fragmentation.
Control
Chemical: Please contact your local control authority for advice on chemical control.