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Companion Planting Guide: 10 Veggies That Should Grow Together

Companion Planting Guide: 10 Veggies That Should Grow Together

Companion planting is a great way to maximize the efficiency of your garden. For almost every vegetable you grow, there is likely to be a beneficial companion plant that will help increase soil nutrients, chase away pests, or provide some other benefit. To get the most out of your hard work, we’ve provided the 10 most popular vegetables grown in the United States and their friends (and enemies) in the garden.

Companion Planting For These Top 10 Veggies:

1. Tomatoes

Basil and tomatoes were made to go together, not only in sauces but in the garden, too. This herb helps tomatoes produce greater yields and it repels both flies and mosquitoes. Marigolds are another good companion, repelling nematodes and other garden pests. Other friends to tomatoes include asparagus, carrots, celery, the onion family, lettuce, parsley, and spinach.
Keep tomatoes away from: Cabbage, beets, peas, fennel, dill, and rosemary. Corn and tomatoes both suffer from the corn earworm, and tomatoes and potatoes are affected by the same blight, so keep these plants separate to prevent the spread of pests or disease.

2. Peppers

Basil is a good friend to peppers, helping repel aphids, spider mites, mosquitoes, and flies. It’s also thought that basil improves the pepper’s flavor. Other good companions include onions, spinach, and tomatoes.
Keep peppers away from: Beans so the vines don’t spread among the pepper plants.

3. Green Beans

Corn and beans grow well together because beans will grow up the cornstalks, which means you won’t have to build them a trellis. Beans also fix nitrogen in the soil, which is good for the corn. Marigolds, nasturtiums, rosemary, and summer savory repel bean beetles, and summer savory improves growth rate and flavor. Other companions include broccoli, Brussels sprouts, and other members of the cabbage family along with cucumbers, peas, potatoes, and radishes.
Keep green beans away from: Beets or anything from the onion family. Onions, in particular, impede the growth of bean plants.

4. Cucumbers

To repel aphids and beetles, plant marigolds and nasturtiums among your cucumbers. Beans, celery, corn, lettuce, dill, peas, and radishes are also good companion plants.
Keep cucumbers away from: Aromatic herbs such as sage which will stunt the growth of cucumbers.

5. Onions

Carrots should be planted near onions because onions will repel the carrot fly. Onions will also chase away the aphids, so plant them near aphid-prone (but onion-friendly) veggies. Other good friends of onions include beets, cabbage, carrots, lettuce, parsnips (which also suffer from carrot fly), tomatoes, and spices like marjoram, savory, and rosemary.
Keep onions away from: Asparagus, beans, and peas.

Carrots should be planted near onions because onions will repel the carrot fly

6. Lettuce

Plant mint among your lettuce to keep away the slugs that feed on lettuce leaves, or plant chives and garlic to repel aphids. Beans, beets, broccoli, carrots, corn, peas, radishes, and marigolds also work as good companion plants.
Keep lettuce away from: Parsley, because it tends to grow into a small yet bushy plant and can crowd your lettuce.

7. Zucchini/Summer Squash

Corn and squash make good garden friends since the cornstalks give squash vines a place to grow. Squash also does well planted alongside beans, peas, radishes, dill, and marigolds.
Keep summer squash away from: Potatoes, as both plants are prone to blight.

8. Carrots

Carrots are heat sensitive, which is why they go well with tomato plants that can provide them a bit of shade. Tomatoes are also known to produce solanine, which is a natural insecticide that targets pests affecting carrot plants. Tomatoes benefit from carrots, too. Carrots aerate the soil around the roots of the tomato plants, allowing more air and water to reach the roots. Leeks and carrots are also good companions since leeks repel carrot flies and carrots repel leek moths and onion flies. Rosemary, sage, and chive also help repel carrot flies.
Keep carrots away from: Coriander and dill, as they both produce compounds that can harm carrot plants, and parsnips suffer from the same diseases and pests as carrots, so keep them apart to minimize a potential infestation.

9. Radishes

Radishes can be planted among cucumbers to attract cucumber beetles away from the cukes. They also do well among carrots because they are harvested before the carrots and they loosen the soil as the carrots start to take off. Onions, beets, cabbage, kale, lettuce, spinach, and squash are also good friends for radishes.
Keep radish away from: Hyssop.

 10. Sweet Corn

Corn loves veggies that fix nitrogen in the soil—like green beans. Cornstalks also make a great trellis for vining or trailing plants including beans, cucumbers, peas, pumpkins, and melons. Zucchini also does well planted among corn.
Keep corn away from: Tomatoes, as they and corn are attacked by corn earworms. Plant these two far apart to minimize the spread of these pests.

Follow these companion planting guidelines to boost yields, minimize pest or disease problems and make garden management easier.

companion planting guide


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    I want to try growing brussel sprouts for the first time. What companion plant (veggie) goes well & which does not

  • Michelle Jolly says:

    Thank you so much. I am a first time planter during this covid 19 crisis and found this information very helpful.

  • Lenetta Lewis says:

    Thank you so much interesting to learn about gardens… Lenetta from Indiana

  • Eddie Clark says:



    Thanks for the info I just planted my garden sunday I think I was plant (vegetable) friendly.
    I planted something new this year ASPARAGUS BEANS.
    Be save and keep your hands clean and away from your face

  • Katie Boekhoff says:

    Could cucumber and zucchini be planted in the same 4x8ft raised bed?

    • Susan Higgins says:

      Hi Katie, yes! Cucumbers and zucchinis are from the same family — Cucurbitaceae, or the squash family so these cousins can be planted together. Just make sure you are giving them optimal growing conditions. Cucumbers thrive in well-drained soil, plus they need full sun and plenty of room to grow. Once threat of frost has passed, cucumber seeds can go into the ground in early spring. Zucchinis also like full sun, but wait until the soil is at least 75F, otherwise, the seeds may not spout. Planting dates will vary depending on what U.S. Department of Agriculture hardiness zone your garden is in.


      They both need alot of room

  • Maureen says:

    Hi I planted kale in a pot over winter. It did ok, but it’s gone now. What plant would grow well in that soil?

  • grace adkins says:

    I’m helping my church school teacher with their garden this year and I need a little advice. they each have their own little plot not much more than 2ft by 3ft I was wondering if after planting the seedlings putting down a lot of straw to keep the weeds away could be the best thing

  • Fiina says:

    I want to plant spinach, wat is good to plant around it and what should I avoid

    • Susan Higgins says:

      Hi Filna, spinach is pretty easy-going, although some gardeners recommend not planting near cabbage, mustard, or potatoes. Happy gardening!

  • Moises says:

    I love these hints thank you very much. have a nice day.

  • John-Paul Martin says:

    This is in reaponae to: 7Katherine Garrett { 02.09.19 at 11:22 pm }
    I want to grow rubarb. What is good to grow near it?

    Rhubarb is easy to grow under the right conditions. To begin, Rhubarb is a heavy feeder so preparing the bed is important. It is also a space hog. The plant will grow up and outward about 3 ft in every direction. If you plant anything closer to the crown it will attempt to grow over the top of the plants to shade them out and prevent them from getting sunlight and water. Underneath the plant, is a very dry area. The water from rain etc. travels down the leaves towards the center. It is marvel of natural development! The curved stem acts like a gutter from the leaf to the central core and roots. The plants are one of the first to sprout in Spring. Rhubarb is a heavy feeder and requires at least two feedings. The first is in Fall after the frost has killed the leaves and the plant goes into its rest period. Remove any dead plant material and hoe around the root crown. Purchase or obtain a bag of cow manure or well composted manure. Put the manure all around the crowns keeping the manure away from the actual crowns. If you are planting new plants, turn over the soil and put in two bags of manure. Then plant the roots keeping the crowns above the soil line. The second feeding is after the first time you harvest and every time thereafter. Usually the first year, you do not pick a major harvest. Pick some, but leave a lot to develop the roots. After Fall the feed the plants with come up fast and you”ll get a large harvest. Then leave the plants smaller stalks to develop and take in the harvest feeding as I described earlier. Every 4-5 years it is a good idea to dig up the plant crowns and separate the crowns. Next, dig up the whole bed and put in new manure and turn it over the bed and replant the newer or healthy roots. It will take another year to get a good crop, but it will give you the opportunity to use up all the frozen rhubarb in your freezer. If you can’t throw out extra separated roots (like me) just plant them in pots, give them away because that is what we gardeners do!

  • Elaine Trace says:

    I would like to plant cauliflower in my pumkin patch…thought the huge pumkin leaves would help protect the cauliflower from hot sun. Would that be alright ?

  • Lance says:

    Thanks for the tips

  • Margie says:

    Mint among the lettuce is no problem for me. As I plant it in my flower boxes to keep the rabbits out. But I have had invade the front yard before. Nice to walk through, but a terror to get rid of. Tried planting in the ditch, but it grew the wrong way and took over the yard.

  • Julia C says:

    Holy cow. A number of issues that make the content questionable such as incompatible heat/light requirements, but plant MINT? In between lettuce? In your GARDEN? Yeah, maybe a few less bugs but mint is forever. Super bad advice among others points to a distinct lack of experience.

    • Susan Higgins says:

      Hi Julia, Mint makes a great companion plant for sixteen different vegetables, and it’s companion planting advice you’ll see in nearly every garden source. We know mint is a prolific plant and it spreads—you can always sink buckets of it near your lettuce or other veggies if you’re concerned. But some may feel that if it keeps the aphids and other pests out of the veggie garden, it’s a small price to pay.

  • Gregg V Rasor says:

    If I use Marigolds in my garden how should I use them? Do I plant one every other seed or just randomly?

  • Katherine Garrett says:

    I want to grow rubarb. What is good to grow near it?

  • Greg says:

    What can be planted around eggplants ?

  • Kelly says:

    What are good plants for potatoes

    • Susan Higgins says:

      Hi Kelly, good companion plants for potatoes are beans, corn, cabbage, horseradish, marigold, and eggplant.

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