Good & Bad Zucchini Companion Plants

You want to grow zucchini at home but don’t know what you should grow with zucchinis? Great!

Stick with me since I will show you the best and worst zucchini companion plants in the following chapters!

Why do I need Companion Plants to grow Zucchinis?

While you don’t necessarily need to grow zucchinis together with other plants, it is still advisable since you can use your space more efficiently and also benefit from the positive effects good companion plants can have on the growth behavior and on the yields of your zucchinis.

Good companion plants loosen the soil, attract pollinators, deter pests, provide shade and improve the overall conditions for your zucchinis.

Yet, don’t expect that all plants have those beneficial effects on your zucchinis.

There are also plants you should never grow near zucchinis since they can have many negative effects on them.

Thus, make sure to have a look at the following tables to figure out the best zucchini companion plants and to also get to know plants you should avoid planting with zucchini and why.

Prepare the soil!

Good Zucchini Companion Plants

Companion PlantWhy is it good?
GarlicDeters pests.
OnionsDeter pests and loosen the soil.
BeansFix nitrogen in the soil.
PeasMake space use more efficient.
DillDeters pests and attracts pollinators.
MintImproves the flavor of zucchinis.
RosemaryDeters pests.
ThymeDeters pests.
Brassicas (Kale, Cabbage, etc.)Improve soil conditions.
LettuceGround cover to keep the soil moist.
SpinachGround cover to keep the soil moist.
NasturtiumsAttract pollinators and keep away pests.
MarigoldsAttract pollinators.
MarjoramDeters pests.
BorageDeters pests.

Bad Zucchini Companion Plants

Companion PlantWhy is it bad?
PumpkinFeed on similar nutrients.
MelonFeed on similar nutrients.
CornTakes away sunlight.
FennelInhibits the growth of zucchinis.
PotatoesTake away too many nutrients from zucchinis.
CarrotsSlow down the growth of zucchinis.
BeetsSlow down the growth of zucchinis.

Best & Worst Zucchini Companion Plants – Summary List

Best Companion PlantsWorst Companion Plants
LettuceCorn
SpinachFennel
BorageMelon
RosemaryPumpkin
ThymeBeets
MarjoramCarrots
MarigoldPotatoes
Nasturtium
Mint
Dill
Beans
Brassicas
Peas
Garlic
Onion

What should you plant with Zucchini?

You should grow zucchini with peas, beans, onions, garlic, brassicas, thyme, rosemary, borage, dill, mint, lettuce, spinach, marjoram, marigolds or nasturtiums.

Avoid planting zucchinis with fennel, pumpkin, carrots, beets, melon, potatoes and corn.

If you want to get more information on growing zucchinis in general, make sure to also check out my zucchini grower’s guide in which I show you how to grow zucchinis 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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