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Lawn Weeds are the Easiest Weeds to Eliminate!

The most effective way to deal with lawn weeds is to use a selective weed killer.

This is a clever weed killer. It knows that your grass has a single leaf (monocot) therefore it will kill everything that is not grass (dicot). So be careful you don’t venture off the lawn and catch an overhanging leaf from your border!

Monocot – strappy leafed plants

Dicot – everything on the planet except monocots!

Other Monocots include: iris, bamboo, orchids and ornamental grasses. If you have a number of weeds amongst these monocots, you can use a selective weed killer successfully, without damaging the plants.

How to use selective weed killer

Simply mix the selective weed killer with water and spray your lawn or just the weeds if there are small patches dotted here and there.

If you have a lawn larger than 80sqm it might be worth buying a larger sprayer. It is easier to walk, spray and pump with the added benefit of not having to keep returning to the tap to refill.

Verdone Selective Weed Killer is no longer available.  Weedol Lawn Weed Killer  is available and it’s even more effective. See below for the best prices.


  • It is always good practice to feed your lawn after spraying a selective weed killer. This will help strengthen the grass while the chemical is active Read our Guide on Lawn Fertiliser.
  • Two days after spraying, the weeds will actually start to grow. They will twist and look quite pale. Within a week or two the weeds will be brown and withered.
  • Mix some grass seed with ordinary potting compost and sprinkle over areas where the weeds are dying out. You can also use this method for bare patches in your lawn. The compost helps the seed to germinate.


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