plants to deter ants

mommie_roseJuly 8, 2007

I have a number of herbs growing in pots outside my back door on my patio. We used to have a big ant problem, with thm getting into our house through the back door. Now all the ants are gone. As I put all the herbs out around the same time, I don't know which one(s) deter the ants. I'd like to know so I can leave the herb(s) by the door in the winter.

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ksrogers(EasternMass Z6)

Could it be that you had put down some kind of poison for the ants you forgot about? Boric acid seems to kill ants and mixed with water and something sweet like sugar, makes for a great ant bait. Here, I see ants all over my garden, which don't seem to affect any plant growth. I am now growing tomatoes, peppers, dill, basil, string beans, peas, limas, thyme, oregano, rosemary, asparagus, onions, garlic, chives, fruit trees including apple, peach, raspberries, blueberries. None of these seem to be bothered by any ants.

    Bookmark   July 8, 2007 at 5:14PM
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Ants will often come and go according to the weather. They'll often come into the house if it rains, or in a drought, for instance.

If they're after termites, they'll invade, too. Once the population of termites has depleted enough not to be able to support the population of ants, they'll go hunting elsewhere.

Sage, pennyroyal, peppermint, rue, mint, bay, lavender, marigolds, pyrethrum, wormwood, yarrow or tansy will all deter ants.

If they got to your coffee grounds, they wouldn't like that, either. And they don't like vinegar, or chilli, or cucumber.

Boiling water isn't so good for them, either!

    Bookmark   July 8, 2007 at 6:30PM
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Thank you guys! I have mint and marigolds back there and I do put coffee grounds in my pots as well. I thought it may have been my echinasia.

    Bookmark   July 9, 2007 at 12:35PM
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