Good & Bad Leeks Companion Plants

You want to grow leeks in your garden or on your balcony but are not sure which plants you should grow with them?

Great! Then this article is for you since I show you the best and worst leeks companion plants in the following chapters.

Why do I need Companion Plants to grow Leeks?

Companion plants are important to improve the overall growth behavior of your leeks, which will also result in higher yields on average.

Companion plants can loosen the soil, keep it moist, keep away pests, provide shade and attract pollinators.

However, don’t think that every plant is suitable to be grown next to your leeks.

There are also plants that can be quite harmful since they may attract certain pests and also take away nutrients from your leeks.

Thus, to avoid any mistakes in this regard, make sure to have a look at the tables below so that you can find the best companion plants for your leeks.

Prepare the soil!

Good Leeks Companion Plants

Companion PlantWhy is it good?
CarrotsCan enhance the flavor of your leeks.
CeleryLoosens the soil.
BeetsAttract helpful insects.
SpinachKeep the soil moist.
MelonsPrevent the growth of weeds and conserve moisture.
CornCan provide shade to your leeks.
OnionsLoosen the soil.
RosemaryCan improve the flavor of your leeks.
ThymeCan improve the flavor of your leeks.

Bad Leeks Companion Plants

Companion PlantWhy is it bad?
BeansAttract harmful pests.
PeasAttract harmful bugs.
CabbageCompetes for nutrients with leeks.
CauliflowersCompetes for nutrients with leeks.
RutabagaCompetes for nutrients with leeks.

Best & Worst Leeks Companion Plants – Summary

Best Companion PlantsWorst Companion Plants
CeleryCabbage
SpinachBeans
BeetsPeas
RosemaryRutabaga
ThymeCauliflower
Onions
Corn
Carrots
Melons

What should you plant with Leeks?

Good companion plants for leeks are carrots, thyme, rosemary, melons, corn, beets, onions, celery and spinach.

You should not grow leeks next to rutabagas, cauliflower, peas, beans and cabbage.

If you find this article helpful and also want to learn more about growing leeks in general, make sure to also check out my grower’s guide that shows you how to grow leeks 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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