Pest plant control

We control pest plants (and pest insects and fungi) on grass verges, and in parks, reserves, cemeteries, and sports stadiums.

We use agrichemicals to do this, and follow best practice to ensure people’s safety, while continuing to explore other control methods.

You can let us know if you don’t want agrichemicals used on land bordering your property or want to be notified before agrichemical use on public land. Visit our Agrichemicals and spraying page.

Pest animal control

We work with Waikato Regional Council (which has the main responsibility for animal pest control in the Waikato region) and a contractor to control animal pests, and protect and enhance biodiversity.

Pest control occurs before native birds breed and nest. We also prioritise ecologically significant green spaces.

Our contractor, New Zealand Biosecurity Services, places bait stations and traps out of the way of people. They use baits that are low risk for non-target species, and place warning signs close to bait stations or traps. Children and pets should be closely supervised in these areas.


Under the Regional Pest Management Plan, we are obliged to control pest animal species such as pigeons.

Left unchecked, pigeons can cause problems. Droppings can make paths and playgrounds unsafe and unhygienic, and nesting sites could spread to buildings or private property.

When required, we use a pest control company that has professional marksmen who cull the birds using air rifles.

You can help

You can help to stop pest plants spreading by:

  • controlling weeds on your property
  • taking weed waste to Hamilton Organic Centre (18 Wickham St, Frankton)
  • being careful if home composting weed waste, as many weed seeds can survive
  • never dumping weed waste on public land.

Visit Weedbusters for more information

Predator Free Hamilton supports Hamilton residents to control pest animals.

Waikato Regional Council provides information, help and advice on animal and plant pests.

Related pages

Agrichemicals and spraying

Find out what’s in the agrichemicals we use, and what to do if you’re concerned about exposure.

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Last updated 10 March 2023