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The Daily Insight

What is eating the leaves off my tomato plants?

Author

David Ramirez

Published May 26, 2026

What is eating the leaves off my tomato plants?

Soft-bodied insects that attack tomato plants include aphids and whiteflies. These pests threaten plant health by sucking sap from stems and leaves. Knock them off by training a garden hose on the plants, using a jet or spray setting.

How do I keep bugs from eating my tomato plants?

Spray your tomato plant with a homemade insecticidal soap. Mix 2 tbsp. of liquid dish soap with 1 qt. of water and use a spray bottle to spray it onto your tomato plant’s fruit and foliage.

Should I remove lower tomato leaves?

Tomato plants send their nutrients to the growing tip (on a tall variety) or tips (on a bush variety) and the lower, older leaves get hardly any food at all! Nothing to worry about, just remove the leaf branches and the rest of the plant will be fine.

How to tell if a tomato plant is eating leaves?

1 What They Are: Huge green caterpillars that eat a lot of tomato leaves. 2 How to Tell: Missing leaves and stems; holes in fruit. 3 What to Do: Dust with diatomaceous earth.

What is eating my tomato plants at night?

Use Bt. These non-insect nuisances may be what’s eating your tomato plants at night. They’re neat eaters, so you’ll probably find snipped shoots and sharply cut leaves. As long as they can reach where your plants are, they can damage your garden overnight.

What kind of bugs are eating my tomato plants?

Soft-bodied insects that attack tomato plants include aphids and whiteflies. These pests threaten plant health by sucking sap from stems and leaves. Knock them off by training a garden hose on the plants, using a jet or spray setting. To decrease the risk of fungal diseases, do this in the morning on a sunny day so the leaves dry before nightfall.

Is it OK to cut the leaves off tomato plants?

It is recommended to prune indeterminate tomato varieties more heavily, however, as these plants can set fruit more than once during the growing season, and pruning dead leaves or unproductive foliage away can help encourage indeterminate plants to focus on the development of fruit instead.

Are the leaves of tomato plants hazardous if eaten?

There are plenty of foods that, when eaten in high quantities, can prove harmful . For tomato leaves, this would require eating at least a pound and a half – an exceptionally large amount. Tomato leaves have a very pungent scent, which can certainly be off-putting to some, although not an indicator that they’re harmful .

What kind of worm eats leaves off of tomato plants?

  • 4-inch-long olive green to black caterpillars with distinctive yellow stripes running along both sides.
  • the tobacco hornworm (Manduca sexta) and the tomato hornworm (M.
  • Loopers.
  • Western Yellowstriped Armyworm.
  • Foliage-Feeding Caterpillar Control.

    Are tomato leaves poisonous to humans?

    Tomato leaves have solanine. Getty Tomatoes are juicy and flavorful fruits that contain plenty of beneficial vitamins and nutrients, but their leaves are poisonous to humans . They contain small amounts of solanine, which is a toxic alkaloid. Accidentally nibbling a small leaf or two in your tomato salad won’t hurt, but eating a large number of tomato leaves – for example, using them as greens in a salad – could be dangerous.

    What are problems affect tomato leaves?

    • Gray Leaf Spot. Gray leaf spot of tomato is a fungal disease mostly affected the southern states of the United States.
    • Septoria Leaf Spot. Septoria leaf spot of tomato is a devastating fungal disease mainly attack the plant leaves due to a fungus called Septoria Lycopersici.
    • Leaf rolling or curling.
    • Tomato spotted wilt virus.
    • Fusarium wilt.