Knowledge Builders

why are there holes in my kale leaves

by Dr. Ike Parker MD Published 2 years ago Updated 2 years ago
image

What Pests Cause Holes In Kale Leaves?

  • Aphids. Aphids are extremely common pests and if you’re growing plants outdoors, then the chances are at some point...
  • Flea Beetles. Flea beetles are tiny, so you wouldn’t expect them to do much damage to your kale. However, the sheer...
  • Harlequin Bug. Just like aphids, harlequin bugs suck the sap from your kale leaves creating...

These small holes are telltale signs of the cabbage worm. Actually, the are several insects that cause this type of damage and are generally referred to as 'cabbage worms'. This includes the imported cabbage worm, the diamondback caterpillar and cabbage looper.Apr 25, 2022

Full Answer

What is eating my Kale leaves?

Aphids, worms, and Harlequin bugs are three common pests that you’ll find feasting on your kale garden. Cabbage worm infestation, including cabbage worms, diamondback caterpillars, and cabbage loopers, starts appearing in late spring.

What are these tiny holes on my Kale leaves?

These little pests tend to thrive in gardens where fall cleanup is minimal and regular weeding just doesn’t happen. If you notice tiny holes appearing on the leaves of your kale, try spraying them with a mixture of 3 parts water, 1 part rubbing alcohol, and 1 part dish soap.

Why is my Kale dying at the base?

Something is eating your kale (besides you) if it is cut off at the base. The first culprit is the cutworm. This worm will chew the plant off at the base. You’ll come outside one morning, only to find the leaves laying on the ground in a heap. Collars are a fast, effective solution for protecting your plant.

Why is my Kale leggy after sprouting?

A common problem gardeners experience when growing kale from seeds is that as the kale starts to sprout, they become leggy. You end up with pale, thin stems and few leaves. Leggy plants can grow up to have stunted growth, weakened stems, and vulnerable to disease, harsh weather, and pests.

image

Is it OK to eat kale with bug holes?

Treat Your Leafy Greens Carefully If you are pretty sure the holes in your leafy vegetables were caused by insects or slugs, they should be safe to eat, as long as you wash them thoroughly, and remove any damaged portions.

How do I get rid of bugs eating kale?

Mix water and a few drops of nontoxic dish detergent and put it into a spray bottle. Spritz the kale leaves with the soapy water. This coats the leaves with a bitter residue that repels bugs, while also suffocating any existing pests.

What makes tiny holes in kale leaves?

Flea Beetles (Chrysomelidae family) These little beetles like to chomp on your kale, leaving tiny pits and holes in the leaves. Although these beetles are small, they often arrive in large numbers, and can do a lot of damage.

How can I stop bugs from making holes in my garden leaves?

One of the best ways you can fight this pest off is by regularly misting the leaves to keep them moist. You should also dust and clean the leaves often to prevent these mites from laying eggs on them. For extreme cases, try a homemade bug spray made of water and neem oil for indoor plants.

How do you keep worms out of kale?

Spraying with Bt (Bacillus thuringiensis var. kurstaki) every 1 to 2 weeks will also help control cabbage family pests. Sevin also is effective. And, the few pests that remain on the vegetables can be washed out after harvest using water and a small amount of detergent or other surfactant.

What insects eat kale leaves?

Cabbage aphids feed by piercing leaf tissues and sucking out the juices, so a badly colonized kale leaf will never recover and should be pinched off and promptly composted. You can treat small colonies of cabbage aphids with insecticidal soap, but it's hard to kill every last aphid.

How do you treat holes in plant leaves?

Leaf miners burrow twisting tunnels across leaves. For both, treat with insecticidal soap or horticultural oil. Sucking insects poke tiny holes in leaves and draw the juices out of them. Common sucking insects include aphids, squash bugs, and spider mites.

Can I eat kale with whitefly?

Kale is the plant most affected as this insect occurs on young leaves that are going to be eaten. On cabbage, sprouts, cauliflower and broccoli, the edible parts are little affected.

Should I cut leaves with holes?

If the leaf is more than half damaged by the bug, then you should cut it off the tree or plant. The same is true if the leaves have become yellowed or brown because of damage from bugs. Cutting the affected leaves off will direct needed nutrients to the other healthier leaves and allow them to thrive.

What can I spray on my vegetable plants to keep bugs off?

Oil Spray: Mix 1 cup of vegetable oil with 1 tablespoon of mild liquid soap. Add 2-8 teaspoons of this mixture to 1 quart of water and spray your plants as above. The oil in this spray smothers the insects so it is effective on aphids, thrips, mites, and scale.

Why is my plant getting holes in the leaves?

Holes in leaves: Holes in the leaves are usually associated with poor nutrition or hot, dry air. Many people believe insects cause this, however, unless you keep the plant outdoors, this is rarely the case.

How do you clean bugs off leafy greens?

How to Wash Dark Leafy GreensStep 1: Submerge greens in a bowl of cold water. Jostle them around with your fingers for 30-60 seconds to dislodge dirt and debris.Step 2: Lift the greens up out of the water, shake them off, and place into a colander.

How do you control aphids on kale?

Controlling Aphids on Kale Clip off badly infested kale leaves and immediately dispose of them in an active compost pile. Without a live plant host, they will soon perish. Follow up with a botanical spray (like those described below), insecticidal soap, or a light horticultural oil.

How do you protect kale from caterpillars?

Net your brassicas with an insect proof mesh netting Make sure the brassica net is propped up by hoops that are as high as the plants will get so that the net can stay there for the whole season. You can also prop the netting up with bamboo canes topped with jars.

Does homemade insecticidal soap work?

Insecticidal soap kill harmful insects like mites, aphids, thrips, white flies and immature leafhoppers. The fatty acids in the soap dissolve the insects' exoskeleton, causing them to dehydrate. Many gardeners turn to this foamy remedy not only because it's effective, but also because it is more eco-friendly.

Holes From Slugs and Snails

Slugs and snails belong to a class of animals known as "gastropods." Roughly translated, that scientific name means "stomach-foot." If these voracious pests hit your garden, you understand the name suits them well. If you find holes in leaves but no bugs, visit your garden with a flashlight at night.

Holes From Caterpillars

Caterpillars are the larvae of moths and butterflies. A diverse group, these hole-making pests range from tiny inchworms to hornworms 4 inches long. Some types are nocturnal; others feed around the clock. In addition to leaves, these pests often chew on other plant parts, including stems, roots, buds, flowers and fruits.

Holes From Chewing Insects

Caterpillars are chewing insects, but their leaf holes end with adulthood. Plenty of other chewing insects continue their damage as adults. Chewing insects eat leaves and make holes by biting or tearing leaves and grinding them with their tooth-like mandibles.

Holes From Sucking Insects

Some hole-making insects prefer liquid diets, made possible by specialized mouthparts. Aphids and squash bugs are examples of what's called piercing-sucking pests. They pierce leaves and suck plant sap through tubular mouthparts that work like straws.

Holes From Fungal Diseases

Some holes on plant leaves start with diseases, not insects or gastropods. Unlike freshly chewed edges or oozing holes, these leaf holes usually begin as spots. Once disease is active, spots can spread quickly. Hole-causing fungal diseases include anthracnose, Cercospora and shot hole disease.

Healthy Plants and Leaves

Keeping your plants well-nourished goes a long way toward preventing leaf holes from all types of hole-causing pests. Healthy plants are better able to resist insects and diseases — and the holes they cause — which means more beautiful leaves and plants for you.

Why Are There Holes In My Plant Leaves?

The most common reason plant leaves get holes is pests eating them. However, this cannot be said for all plants because most pest attacks are specific to certain plant families or species within that family. Some other causes are diseases, herbicides, weather, and even pets.

How Do You Prevent Holes In Plant Leaves?

The best way to protect your leaves is to prevent the holes in the first place. I recommend checking on your plant leaves every day as part of your routine.

How Do You Control Leaf-eating Insects?

There are different leaf-eating insects, so you first need to figure out which one is attacking your plant. Some such insects include caterpillars, sawflies, slugs, and snails.

How Do You Control Animals And Birds Eating The Leaves?

I like to have birds and pets around my plants. They make the place lively and protect plants from some of the pests.

What Deficiency Causes Holes In Leaves?

Potassium deficiency can cause holes in leaves. The lack of this nutrient will cause yellowing in the leaf which may develop into holes.

What Disease Causes Holes In Plant Leaves?

Shot hole disease or Coryneum blight is one that will cause holes in plant leaves. This fungal disease creates holes in leaves, fruits, rough areas on fruit, and lesions on branches.

Should You Remove Leaves With Holes?

You should remove leaves with holes if they are caused due to a disease. This will help prevent spread of the disease if it’s a fungal problem. You can also remove leaves with holes if you are growing the plant for aesthetic appeal. You should remove leaves with holes if the major portion of the leaf is damaged.

1. Leaves Have Holes

Those small, simple white butterflies ( Pieris rapae) hovering around your garden are a common cause of holey leaves (slugs and cabbage loopers are the other two). All those pretty butterflies unleash a horde of green caterpillars into your garden when they lay eggs. These little caterpillars are the cabbage white butterfly worm.

2. Stunted Growth and Ragged Holes

If your plants seem to be stunted and you see ragged holes throughout the leaves, it might be cabbage loopers ( Trichoplusia ni ).

3. Weak Plants and Yellow Leaves

Almost every list of garden pests includes aphids. No matter what you’re growing, indoors or out, aphids are one of those kale growing problems you’re bound to see. Cabbage aphids ( Brevicoryne brassicae) are a particular problem for kale.

4. Crisp, Brown Leaves and Thin Spots

Harlequin bugs are bright, colorful pests that come out in force once the warm weather hits. If you’re growing kale all through the summer, harlequins might become a problem from midsummer through August.

5. Tiny Shotholes in Foliage

If you’re noticing a lot of tiny holes in the leaves of your kale, it’s likely you have an infestation of flea beetles. These little pests tend to thrive in gardens where fall cleanup is minimal and regular weeding just doesn’t happen.

6. Rotting Leaves

A bacterial infection caused by the pathogen ( Xanthomonas campestris pv. campestris ), black rot is as disgusting as it sounds. This disease starts out as small, papery, brown spots on the leaves, but it quickly escalates. Soon, all your kale leaves are turning black and falling off to rot on the ground.

7. Brown and Gray Spots on Leaves

Alternaria is a fungal disease caused by Alternaria brassicicola and A. brassicae that results in brown and gray spots on kale leaves. Again, fungal diseases take hold when the weather is damp and humid. When the rain is pouring down, check on your kale. If you see signs of Alternaria leaf spot, treat with a fungicide as soon as possible.

Why are my kale leaves wilting?

Dehydration can also cause your kale leaves to wilt. They need one to two inches (2.54 cm to 5.08 cm) of water each week. Using a thick layer of mulch around the stalks can help trap water and nutrients into the soil. And you should do regular weeding to keep your plant beds full of nutrition and water.

Why are my kale leaves turning white?

One possible reason could be that your plants have white leaf spot caused by fungi Cercospora or Cercosporella spp. White leaf spot causes small circles ¼” to ½” diameter (0.635 cm to 1.27 cm) on the tops of kale leaves.

What causes a dark spot on my lawn?

If you notice small, dark spots appearing, chances are it’s fungal. Treat with a fungicide immediately. Pests like thrips and aphids can also cause wilting by transferring diseases. Insecticidal soap or neem oil can deter such infestations of these pests as well as other types.

What to do if kale leaves turn purple?

If your kale leaves are turning purple, the first thing you should do is make sure you didn’t plant purple kale instead of green kale. If so, the problem is solved.

What are the problems with kale?

Top problems growing kale include discolored leaves, drooping, leaf spots, stunted growth, dying seedlings, legginess, and insect infestations. By the time you’re through with this article, you’ll be a kale-growing professional—time to get your fingers out of the dirt and onto the mouse for a little research.

What causes a green ring around a flower border?

You will have to use cultural prevention, including rotating crops, providing adequate spacing between plants, and removing and destroying infected plants and weeds. Frogeye leaf spot is another condition that can cause pale green, gray, or white spots, with a brown ring around the border.

How to avoid watering plants with sprinklers?

Instead, set up an ebb and flow irrigation. And make sure you’re doing it during the daytime. Avoid watering your plants early in the morning and late at night.

What are the small holes in cabbage worms?

These small holes are telltale signs of the cabbage worm. Actually, the are several insects that cause this type of damage and are generally referred to as ‘cabbage worms’. This includes the imported cabbage worm, the diamondback caterpillar and cabbage looper.

What are some plants that cabbage worms avoid?

Plant resistant varieties such as red-colored leafy greens, which the cabbage worm tend to avoid. Introduce natural predators of the cabbage worm such as larvae of Trichogramma wasps, which devour the eggs before they hatch.

image

1.Holes In Kale Leaves - Common Causes & Solutions

Url:https://soakandsoil.com/holes-in-kale-leave/

13 hours ago  · The location of the holes on your leaves can tell you what kind of garden pest is munching on your leafy greens. Holes along the edges usually mean a bigger animal (like a rabbit) is coming along and nibbling on the outside of the leaves. If the holes are on the interior of the leaf, that means you have pests crawling along the underside and eating all the way through.

2.Videos of Why Are There Holes in my Kale Leaves

Url:/videos/search?q=why+are+there+holes+in+my+kale+leaves&qpvt=why+are+there+holes+in+my+kale+leaves&FORM=VDRE

2 hours ago  · According to Joshua Melanson, an organic farmer at Pumpkin Pond Farm, “there is absolutely nothing wrong with the kale. The flea beetle creates small holes but doesn’t transmit any disease. There is simply less kale.”. Apparently, it isn’t just …

3.What’s With These Holes in My Kale?

Url:https://livingmaxwell.com/holes-in-my-kale

20 hours ago Sucking insects strike many plant types, from flowers and grasses to roses, hydrangeas, cabbage, eggplant, tomatoes and kale. Their damage happens day and night. Leaf holes from sucking insects offer these clues: Damage focuses on tender, new growth. Small, seeping holes become yellow spots. Entire leaves become mottled or discolored.

4.Why Are There Holes in My Plant Leaves? - Pennington.com

Url:https://www.pennington.com/all-products/fertilizer/resources/why-are-there-holes-in-my-plant-leaves

14 hours ago Why Are There Holes In My Plant Leaves? 1. Caterpillars. Caterpillars are a common pest that will eat the plant leaves and make holes in them. They can be hard... 2. Natural holes. Some plants have natural holes in them, such as the Swiss cheese plant …

5.5 Reasons For Holes In Your Plant Leaves (And How To Fix)

Url:https://gardeningmentor.com/why-are-there-holes-in-my-plant-leaves/

22 hours ago The Most Common Kale Growing Problems 1. Leaves Have Holes. Those small, simple white butterflies ( Pieris rapae) hovering around your garden are a common... 2. Stunted Growth and Ragged Holes. If your plants seem to be stunted and you see ragged holes throughout the leaves, it... 3. Weak Plants and ...

6.15 Kale Plant Problems and How to Fix Them

Url:https://morningchores.com/kale-plant-problems/

5 hours ago Kale Leaves Have Holes Cabbage Worm. Cabbage worm infestation, including cabbage worms, diamondback caterpillars, and cabbage loopers, starts... Aphids. Aphids are small (less than ¼” or 0.635 cm) soft-bodied insects that multiply quickly. These pests frequently... Harlequin Bugs. You’re dealing ...

7.Top Problems Growing Kale and How to Fix It - Ready To …

Url:https://readytodiy.com/top-problems-growing-kale-and-how-to-fix-it-0052/

35 hours ago The larvae of this butterfly as well as the diamondback moth and cabbage looper eat holes in the leaves of cabbage, broccoli, kale, collards and their relatives. Nature helps control these pests . Parasitic wasps, ground beetles, soldier bugs and lacewings are all natural predators of these insects. You will need to tolerate a little damage and avoid using pesticides in your garden so …

8.Got Holes in Your Leafy Greens? You Have Cabbage Worms

Url:https://www.birdsandblooms.com/gardening/garden-bugs/got-holes-in-your-leafy-greens-you-have-cabbage-worms/

15 hours ago  · These small holes are telltale signs of the cabbage worm. Actually, the are several insects that cause this type of damage and are generally referred to as ‘cabbage worms’. This includes the imported cabbage worm, the diamondback caterpillar and cabbage looper.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1 2 3 4 5 6 7 8 9