Good & Bad Pumpkin Companion Plants

You want to grow pumpkins in your garden or on your balcony and want to know what plants to grow with pumpkins?

Great! Stick with me since I will show you the best and worst pumpkin companion plants in the following article.

Why do I need Companion Plants to grow Pumpkins?

While it is possible to grow pumpkins without any other plants, I don’t advise you to do so since you would just miss out on many positive effects companion plants can have on the yield and on the overall growth behavior of your pumpkins.

Good companion plants are known to keep away pests, improve soil conditions, provide shade and to attract pollinators.

Yet, not all plants have those beneficial effects on your pumpkins.

There are also plants you should never grow near pumpkins.

Hence, you should definitely check out all the good and bad pumpkin companion plants in the following tables so that you know what to grow with pumpkins and what plants you should avoid at all costs and also why this is the case.

Good Pumpkin Companion Plants

Companion PlantWhy is it good?
CornImproves soil conditions.
BeansFix nitrogen in the soil.
PeasFix nitrogen in the soil.
RadishLoosens the soil.
MarigoldAttract pollinators.
NasturtiumsAttract pollinators and deter pests.
PetuniasAttract pollinators and deter pests.
OreganoKeeps away pests.
ChivesDeters pests.
ThymeDeters pests and attracts pollinators.
MintCan improve the flavor of pumpkins.
MarjoramKeeps away pests.
LavenderAttracts pollinators and deters harmful bugs
SageDeters pests.
OnionsKeep away pests.
GarlicKeeps away pests.
ShallotsKeep away pests.

Bad Pumpkin Companion Plants

Companion PlantWhy is it bad?
SunflowersTake away too much sunlight.
MelonHeavy feeder that takes away nutrients from pumpkins.
ZucchiniHeavy feeder that takes away nutrients from pumpkins.
FennelSlows down the growth of pumpkins.
BeetsFeed on similar nutrients.
CarrotsCan damage the roots of pumpkins.
PotatoesCan damage the roots of pumpkins.
Brassicas (Kale, Cabbage, etc.)Take away nutrients from the soil.

Best & Worst Pumpkin Companion Plants – Summary List

Best Companion PlantsWorst Companion Plants

What should you plant with Pumpkins?

You should grow pumpkins with sage, mint, marjoram, chives, oregano, onions, shallots, garlic, corn, nasturtiums, marigolds, petunias, radish, peas and beans.

Avoid planting pumpkins with beets, sunflowers, potatoes, zucchini, melon, brassicas, carrots or fennel.

If you want to learn more about growing pumpkins in general, make sure to also have a look at my grower’s guide on how to grow pumpkins 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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