Cucumber Companion Plants: What Can I Plant Next to Cucumbers?

Cucumber Companion Plants: What Can I Plant Next to Cucumbers?
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Cucumbers can be problematic especially during colder/wetter climates so if you are looking to plant cucumbers in your garden or you already have your cucumber planted either from seed or transplants and need to keep them healthy, whatever the case may be, companion planting gives you visible reward. Most cucumbers are ready to be harvested in about 50-70 days which makes them popular choices to grow in the garden.

Cucumber plants are very easy to grow which makes them great for novice gardeners and keep in mind that no one becomes a master gardener overnight hence you keep trying and with cucumber, you can see real results in a short amount of time.

Companion planting for cucumbers may just be enough to enable your cucumbers to stay healthy and other times it may not. Never let companion planting be a sole substitute for taking proper care of your garden. 

The goal and benefits of companion planting are to form a symbiotic relationship where plants take care of each other, stimulate growth, attract beneficial insects and deter pests. So what do cucumbers like to be plated next to? Read on to discover what plants cucumbers like to be surrounded with to keep them disease-free. 

Cucumber Companion Plants: What Can I Plant Next to Cucumbers?

Cucumbers are prone to attack from cucumber beetles and it can easily suffer from bacterial wilt, powdery mildew or a mosaic virus which all shows how problematic cucumbers can be however companion planting can help overcome some of these challenges. Here are some suggestions of companion plants that will play nice and provide you with a more reliable crop.

  • Beans act as the magical plant to have alongside your cucumbers
  • Beets don’t really provide your cucumbers with any defence but they don’t go around causing any trouble
  • Radishes help deter cucumber beetles and other pests
  • Carrots will play nicely with your cucumbers
  • Corn provides a little shade for cucumbers in the dead of summer
  • Dill attracts beneficial insects to your cucumber
  • Nasturtium is rumoured to help cucumbers grow and improve their flavour
  • Peas provide nitrogen to the soil 
  • Marigolds help to repel all sort or beetles and insects in the garden.
  • Radishes are great companions as they help deter damaging cucumber beetles.

We are sure there are plenty more options when it comes to companion plants for cucumbers but above are some of the best plants that help your cucumber thrive. Cucumbers are easy-going plants without strong dislikes or likes but three plants you shouldn’t have near them are aromatic herbs, melons and potatoes.

Can cucumbers and tomatoes be planted together?

Yes, cucumbers and tomatoes can be planted together, their growing habits are similar enough to be complementary and both have an aversion to potatoes. Cucumbers are fast-growing vegetables require adequate water and sunlight which as a result makes it the ideal companion plant for tomatoes.

Do cucumbers need a trellis?

Yes, cucumbers need a trellis as this is a way to grow healthy cucumbers. Cucumbers have two different growing habits which are bush and vine. Bush varieties are compacts and do not require a trellis but vining cucumbers produce more fruits and need a trellis to contain their rampant growth.  

Should I pick the flowers off my cucumber plants?

Yes, you should pick flowers off your cucumber plants once a week to avoid a bitter-tasting cucumber. Flowers on cucumbers depends on the type of cucumber plant you have. If the flowers on cucumbers are not picked regularly, the fruits that develop will leave you with a nasty after taste and the vine will stop producing early.

Is Epsom salt good for cucumbers?

Yes, Epsom salt is good for cucumbers but we advise only using it if your cucumbers are a bit weathered and worn come midseason. Epsom salt is a good way to green your cucumbers up and give them a boost however just because Epsom is beneficial to plants, you shouldn’t apply it to every plant unless magnesium is deficient in the soil.

Can I plant cucumbers next to zucchini?

Yes, cucumbers can be planted next to zucchini in your vegetable garden. Planting cucumbers and zucchini together can keep pests away and ensure you have a healthy harvest. Although cucumber and zucchini belong to the same cucurbit family, they can not cross-pollinate because they are two different species. 


Cucumbers are widely cultivated plants. They are tender annuals and grows best in temperatures ranging from 60º to 90º  but there are times when growing healthy cucumbers seems impossible and for most gardeners, this is where companion planting comes in.

Cucumbers have some little enemies which are known as the cucumber beetles and planting some plants nearby can help keep them at bay. 

The best control for cucumber beetles to make sure they never show up in the first place and this can be done easily by using a floating row cover over the plants until they start to blossom. 

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Jane Walton
Jane Walton is a mum of two living in the countryside with her husband and four-legged fury, Jasper. With a degree and passion for Plant and Agricultural science, Jane writes articles that help readers figure out what, why, and how to better understand their home and garden. She currently presides over that section here at overseeing everything to make sure you get it right the first time.