Q&A for How to Kill Tomato Worms

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  • Question
    How do you get rid of tomato worms?
    Artemisia Nursery
    Plant Nursery & Garden Shop
    Artemisia Nursery is a retail plant nursery in Northeast Los Angeles specializing in California native plants. Artemisia Nursery is a worker-owned small business with plans to become a worker-owned cooperative. In addition to California native plants, Artemisia Nursery offers a selection of succulents, heirloom veggie and herb starts, house plants, pottery, and gardening tools and supplies. Drawing on the knowledge of the founders, Artemisia Nursery also offers consultations, designs, and installations.
    Plant Nursery & Garden Shop
    Expert Answer
    The easiest, most environmentally-friendly way to get rid of tomato worms is to just manually remove them.
  • Question
    Will baby powder keep tomato worms off my plants?
    Baylie Voyles
    Community Answer
    Yes! The baby powder will make the worms stay away. My aunt did this for her plants and garden and it worked amazing.
  • Question
    Do I sprinkle baby powder over my tomato plants to stop predators, or is there a method to it?
    Community Answer
    Sprinkle baby powder on the leaves and stems of the plants and reapply when necessary. There is no particular method, but ensure to coat the top and bottom of the leaves generously.
  • Question
    Can I spray the plants with an alcohol compound?
    Community Answer
    It's a good idea to test spray one leaf of an infested plant and wait a day to check for damage. An alcohol spray is effective against mealy bugs, whiteflies, red spider mites, aphids, fungus gnats, and scale.
  • Question
    Will dusting with all-purpose flour keep them away?
    Community Answer
    It is better to use a mix of baking soda, mild detergent, and olive oil. It will not kill them, but it will keep them away.
  • Question
    Can I spray the air with poisonous chemicals to kill the worms?
    Community Answer
    No, do not spray it in the air, it risks damaging other plants and contaminating the soil. Instead, spray directly onto the affected plants. Be sure to wear a protective mask and gloves.
  • Question
    Can I use olive oil instead of mineral oil to prevent corn earworms?
    Kyrah Duffey
    Community Answer
    You can buy mineral oil at any drugstore and it is invaluable in protecting against corn earworms. This long-time pest solution has been passed down from generation to generation. After application, the mineral oil travels down the ear of corn coating it and smothering the caterpillar within. So, yes you can.
  • Question
    I never had hornworms before these last 2 years. It has been extremely wet and rainy and hot. Could that be the reason they are so prolific now?
    Community Answer
    Possibly so because that sounds like the best environment for plant growth, which then makes more food for the hornworms.
  • Question
    What time of the day do the tomato worms come out to feed?
    Community Answer
    During the morning and afternoon. Always during sunlight. This is not a bug you would see at night.
  • Question
    What do I do with the hookworms after I dump them in soapy water?
    Community Answer
    Throw them out. Or, even better if you have a compost throw them in there. Just make sure they are entirely dead first.
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