Whats eating my tomato plant leaves
Isabella Harris
Updated on March 23, 2026
What is happening? The pests that could be eating your tomato plants at night include snails and slugs, hornworms, leaf-cutting bees, cutworms, Colorado Potato Beetle, rabbits, and deer.
What causes holes in tomato plant leaves?
People often assume that such holes are caused by insects, but often it’s a fungal problem. These holes are a leaf-spot fungus that kills small bits of the tissue which then falls out. It’s doing minor damage to the plant. … Watering in the evening or at night keeps the foliage wet all night which promotes fungus.
How do you treat holes in tomato plant leaves?
Treat by handpicking or with a natural insecticide. Flea beetles. These fellows leave an array of tiny holes. Tomato leaves look like a sieve or like they may have been attacked by a miniature shotgun.
What bugs eat tomato plant leaves?
Blast Off. 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.What to spray on tomatoes to keep bugs away?
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. The soap kills insects while the soapy residue deters future pest invasions.
What's eating holes in my tomatoes?
ANSWER: The critter eating the holes in the tomatoes is the tomato fruitworm. This common caterpillar eats holes in the fruit about the diameter of a cigarette. The holes can be shallow or deep. The wounds often enlarge when they become infected with secondary fungi and begin to rot.
What to spray on tomatoes for bugs?
Hortico Insect Killer Ready To Spray Tomatoes and Vegetables contains natural pyrethrum extracts from the pyrethrum daisy. It is a natural insecticide for tomatoes and vegetables.
Can you spray soapy water on tomato plants?
Dry laundry or dish detergents are too strong for plant use, and even liquid laundry soap solution may harm some tomato varieties. To ensure the safety of your tomato, water it well and test spray a few of its leaves.What does a tomato cutworm look like?
They do the most damage in the caterpillar—or larval—stage. They are pale green with white and black markings, plus a horn-like protrusion stemming from their rear. … The caterpillar also has eight V-shaped stripes on its green body. Tomato hornworms come from a mottled brown-gray moth (see picture, above).
What is the best pesticide for tomatoes?- Bacillus Thuringiensis or BT. A soil bacterium that emits toxic proteins that can kill insects when they eat it. …
- Spinosad. A natural insecticide derived bacterium found in soil. …
- Abamectin. Abamectin is also another pesticide derived from a soil bacterium.
How do you make tomato leaf spray?
- Chop and Soak Leaves. To make tomato leaf spray, simply chop enough tomato leaves to make one or two cups and combine with two cups of water in a large bowl or bucket. …
- Strain and Place in Spray Bottle. Strain out the leaves using cheesecloth or a fine strainer. …
- Use.
How do I stop caterpillars eating my tomato plants?
- Control weeds. …
- Cover susceptible plants with fine mesh butterfly netting if you have seen Budworm moths fluttering around.
- Try to find eggs on leaves and squash them. …
- Pick off minor infestations of caterpillars by hand and squash them.
Where do tomato hornworms hide during the day?
They tend to hide beneath leaves and along interior stems during the day, becoming active, and munching their way through your tomato patch during the cooler evening hours.
What animal eats tomatoes at night?
Nocturnal feeders with a fondness for tomato plants include skunks, rats, raccoons, and deer. Skunks do the least damage, taking a bite from a single low-hanging fruit. Deer will cause extensive damage by grazing from the top down. Raccoons and rats will feed more on the lower fruits.
What does a tomato fruit worm look like?
Tomato fruitworm adults are medium-sized moths with a wingspan of about 1 to 1.3 inch (25–35 mm). They are pale tan to medium brown colored or sometimes have a slight greenish tinge.
What insect is eating my tomatoes?
Aphids. The most common tomato pest, but also one of the most destructive, is the aphid. These critters have soft pear-shaped bodies and are typically white, black, brown, or even pink. Aphids affect a massive range of plants, including relatives of the tomato, potatoes and eggplants.
How do I get rid of tomato hornworms naturally?
If you don’t want to use chemicals in your garden, another way you can kill tomato hornworms in an organic way is to mix up a combination of liquid soap and water. Spray the mixture on the plant foliage before adding some cayenne pepper – this will get rid of the bugs and then repel them into her true.
Should you put baking soda around tomato plants?
Sprinkle over plants. It is believed that a sprinkle of bicarb soda on the soil around tomato plants will sweeten tomatoes. Bicarb soda helps lower the acid levels in soil, which makes tomatoes sweeter. Before you plant your garden, scoop some soil into a small container and wet it with some water.
How do I keep grasshoppers off my tomato plants?
Lay down floating row covers or use metal screening. Drape metal mesh netting over the tomato plants to help protect them from grasshoppers. If you use floating row covers, keep a watch on them because the grasshoppers can chew holes into the plastic.
What kind of worm is eating my tomatoes?
Tomato hornworms are very large caterpillars with a horn-like tail. Their favorite plant is tomato. Hornworms chew leaves and can completely defoliate plants. They can also chew holes in the fruit.
What does coffee grounds do for tomato plants?
Coffee grounds contain around 2% nitrogen, and variable amounts of phosphorus and potassium, which are the core nutrients vital for tomato plant growth. As the grounds decompose, they will release these nutrients into the soil, making them available to the plant.
Can you use pest oil on tomatoes?
PestOil isn’t registered for use on tomatoes. Use Yates Natures Way Success Ultra for the control of tomato caterpillars. Take care to thoroughly cover the plant particularly the new foliage.