Good & Bad Kohlrabi Companion Plants

You want to grow kohlrabi in your garden or on your balcony but are not sure what plants you should grow with kohlrabi? Great!

This article is for you since I show you the best and worst kohlrabi companion plants in the following chapters.

Why do I need Companion Plants to grow Kohlrabi?

While it is possible to grow kohlrabi without any other plants next to them, you will just not get the same results.

Good companion plants are crucial for an optimal growth behavior of your kohlrabis since they can serve as ground cover, improve soil conditions, attract pollinators, provide shade and may keep away pests and diseases.

While there are good companion plants that can significantly improve the growth behavior and the yields of your kohlrabis, there are also plants that you should never grow near your kohlrabis.

Thus, make sure to have a look at the following tables to figure out the best companion plants for your kohlrabis and also to get an idea of why those plants are beneficial for your kohlrabi growth project or not.

Good Kohlrabi Companion Plants

Companion PlantWhy is it good?
OnionsKeep away pests.
GarlicDeters pests and bugs.
ShallotsLoosen the soil.
CucumbersProvide shade to your kohlrabis.
BeetsLoosen the soil.
CabbageImproves soil conditions.
CauliflowersLoosen the soil.
BroccoliImproves soil conditions.
KaleImproves soil conditions.
Brussels SproutsDeter pests.
Mustard GreensDeter aphids and spider mites.
CeleryKeep away pests.
LettuceGround cover to keep the soil moist.
PotatoesLoosen the soil.
ThymeEnhances the flavor of your kohlrabis.

Bad Kohlrabi Companion Plants

Companion PlantWhy is it bad?
StrawberriesAttract aphids.
BeansSlow down the growth of your kohlrabis
TomatoesInhibit the growth of your kohlrabis.
MelonsTake away too much sunlight.
PumpkinsTake away too much sunlight.
SunflowersTake away too much sunlight.

Best & Worst Kohlrabi Companion Plants – Summary

Best Companion PlantsWorst Companion Plants
LettuceBeans
CeleryTomatoes
PotatoesStrawberries
ThymeSunflowers
BroccoliMelons
Brussels SproutsPumpkins
Mustard
Kale
Cauliflower
Beets
Cabbage
Cucumbers
Shallots
Onions
Garlic

What should you plant with Kohlrabis?

Good companion plants for kohlrabi are brussels sprouts, kale, cabbage, onions, garlic, cauliflowers, beets, cucumbers, celery, potatoes, shallots, mustard, thyme, broccoli and lettuce.

Prepare the soil!

You should not plant kohlrabis with sunflowers, beans, tomatoes, melons, pumpkins and strawberries.

I hope you enjoyed this article! If you want to learn more about growing kohlrabi, make sure to also check out my grower’s guide on how to grow kohlrabi from seed to harvest.

About the Author

My name is Andreas and I’m really passionate about our environment and also about growing plants. In fact, I have grown several different plants over many years. I love to see my plants grow and also always try new things to improve my overall conditions at home.

In my blog posts, I want to share my experiences with you so that you can become successful in growing various different plants and improving your home as well, even though you might still be a beginner right now.

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