Most Common Kohlrabi Pests & Diseases

You need advice on how to get rid of kohlrabi pests and diseases in your garden?

Make sure to check out all the tips on how to control kohlrabi diseases and pests in your garden or on your balcony in the following chapters.

Kohlrabi Pests

Pest	How to control it
Aphids	Aphids are quite common on kohlrabi plants. Hence, make sure to inform yourself on how to control aphids in your garden.
Cabbage worms	You may also have to deal with cabbage worms when growing kohlrabi. You can get rid of cabbage worms by using insecticidal soap or other pesticides.
Slugs and snails	Slugs and snails may also try to feed on kohlrabi. Thus, make sure to get some information on how to get rid of slugs and snails in your garden.
Caterpillars and Loopers	Caterpillars are also quite common intruders when growing kohlrabi. Make sure to find additional information on how to control caterpillars and loopers.
Moths	Moths may also become a problem when growing kohlrabi. You can get rid of moths by using insecticidal soap or deterring them by spraying neem oil onto the leaves of kohlrabi plants.
Armyworms	Armyworms can also do great damage to kohlrabi plants. You can control them by using insecticidal soap or other pesticides.
Cutworms	Cutworms may also try to feed on kohlrabi. Thus, make sure to get detailed information on how to get rid of cutworms.
Nematodes	Nematodes may also do lots of damage to kohlrabi. You can control nematodes with diatomite or insecticidal soap.
Thrips	Thrips may also be present when growing kohlrabi. Thus, feel free to also find additional information on how to get rid of thrips.
Flea beetles	Flea beetles are also quite annoying when it comes to growing kohlrabi. You can get rid of flea beetles by spraying stinging nettle liquid or neem oil onto the leaves of your plants.

Kohlrabi Diseases

Disease	How to control it
Mold	Mold can become an issue when growing kohlrabi. Hence, make sure to get detailed information on how to treat mold.
Leaf spot	Leaf spot is another disease that is quite common on kohlrabi plants. Hence, make sure to inform yourself on how to treat leaf spot in a proper manner.
Rust	Rust may also be present when growing kohlrabi. Thus, find additional information on how to control plant rust.
Damping-off	You can prevent damping-off of kohlrabi plants by improving germination conditions as best as possible. This includes optimizing lighting and soil conditions.
Black rot	Black rot may also become a problem on kohlrabi. You can try to treat black rot using fungicides or just remove infested plants to prevent the spread of this disease in your garden.
Downy mildew	Downy mildew may also do great damage to kohlrabi plants. You can treat downy mildew by spraying neem oil or vinegar onto the leaves of your kohlrabi plants.
Clubroot	Clubroot is another serious plant disease you may experience on kohlrabi plants. You can control clubroot by altering the soil pH and also by watering your plants less often. If this doesn’t help, make sure to remove infested plants to avoid the spread of clubroot in your garden.
Powdery mildew	Powdery mildew is also quite common when growing kohlrabi. Thus, make sure to also inform yourself on how to control powdery mildew on garden plants.

Kohlrabi Pests & Diseases – Summary List

Pests	Diseases
Slugs	Downy mildew
Armyworms	Powdery mildew
Cutworms	Rust
Cabbage worms	Mold
Aphids	Leaf spot
Caterpillars	Damping-off
Nematodes	Black rot
Moths	Clubroot
Thrips
Flea beetles

How to deal with Kohlrabi Pests & Diseases?

As you can see, getting rid of kohlrabi diseases and pests is quite simple.

If you want to learn more about growing kohlrabi in general, you should also have a look at my kohlrabi grower’s guide and my growing kohlrabi FAQ section.

Sources

https://de.wikipedia.org/wiki/Kohlrabi

Own experience.