Environmental Weeds in Sydney North

Noxious Weeds
Other Significant Environmental Weeds
Weed Alerts

Weed control

Hand removal techniques
Biocontrol

Print the Information Sheet

Information sheet will open in a new window. If the correct information sheet does not display, please press your browser's refresh button.

Water Hyacinth

Botanical Name: Eichhornia crassipes
Family: Noxious Weed Category: W1


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.

Impact on Bushland:

Control:

Manual:  
Chemical: Please contact your local control authority for advice on chemical control.

Similar Species:

Suggested Alternatives:

References: