How do you get rid of ants in my garden?

ive tried all the shop bought products

Answers:
boiling hot water on the nest
or draw a line with white chalk around the nest (ants wont walk across a white line!)
Toothpaste around the nest.
Antsare one of the most difficult pests to control. You need to identify the species of ant you have and then get the proper insecticide. Some species, such as the Argentine ant, the odorous house ant, crazy ant, white-footed ants and carpenter ants, have multiple queens or multiple colonies. In such cases the colonies and subcolonies have to be found and destroyed. To assist you in identifying the ants in your home, visit Terminix Pest Library.

Tom Kraatz, president of Senoret, manufacturers of Terro Brand products, says that Terro ant killer sometimes has to be applied more than once to be effective on the whole colony. The small black ant, monomorium minimum, is usually found under the baseboards or in the seams on kitchen countertops. You are seeing worker ants out foraging for food, and since the ant is a social insect it will take food and bait back to the main colony. Sometimes the queen or queens of the colony do not get the bait that is carried back. In that case, it takes more than one treatment to kill the colony. You have to destroy the queen to destroy the colony.

If you find the ants in a different part of the home, then you are dealing with another colony and will have to treat it too.

In the past you had to place the liquid Terro on a small piece of cardboard and place the bait in the ants' trail. Spill any liquid bait on a painted surface and there would be some damage. Terro has introduced a new liquid bait station that is easier and safer to use. You simply clip the corner of the holder and place the holder in the ants' trail. No more spills. Even after several weeks of being opened the bait is still liquid and still effective. The old Terro would dry out overnight.

If baiting fails to keep the pests out of your home, you will need to contact a professional exterminator. They will attempt to trace the ants back to their colony and then will treat the colony and subcolonies with the applicable insecticide.
put a television down the far end of the garden
Flame thrower!

Or, as above, boiling water. Or, make a trail of sugar to your neighbours back door they might like it better there x
salt
Ant powder, they take it back to the nest and it kills the lot of them
I can't get rid of ants in YOR garden but you could by tipping a few kettle fulls of boiling water on to them it works a treat.
same as for cats, AK47. The ants are harder to hit and you'll use more ammunition.
ants in the garden are beneficial and rid it of many pests,
but if becoming a pest themselves (in house etc)
-put cloves near doorways/windows
-borax+icing sugar near nest
-1 part camphor oil to 9 parts methylated spirits poured over nest
or camphor by self
-tomato leaves or fresh chervil
-trap in a large holey sponge with sugar in it - drop in boiling water
-baking soda or garden lime on ant runs

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