20 Perfect Companion Plants to Grow With Watermelons

Watermelons are large, juicy, and scrumptious. They’re a staple for a lot of gardeners and a favourite summer time deal with. However what about all these vines?

When you have restricted house, you may not need to dedicate half your backyard to vegetation that may solely produce 2-4 fruits every! Fortuitously, you may take advantage of your house with watermelon companion vegetation.

Companion planting is a straightforward approach to make your backyard work double extra time whilst you sit again and chill out. Select your vegetation properly, and also you’ll see pleased vegetation that develop stronger and greater due to their neighbors!

However, once more—what about these vines? Surprisingly, you may companion plant with watermelons regardless of how a lot house they take up and it doesn’t matter what watermelon selection you’ve determined to develop. Let me present you ways a little bit planning will make your vegetation go a good distance.

About Companion Planting

Companion planting entails placing vegetation collectively to profit one another.

Companion planting isn’t a brand new factor; it’s been round for hundreds of years, if not millennia. It’s the observe of placing vegetation that profit one another collectively in the identical space to allow them to reap the advantages. Whereas rising one sort of plant in a single space could also be simpler for you (that is known as monoculture), it doesn’t profit the ecosystem a lot.

In case you plant watermelons by themselves, you’ll have loads of house for watermelons to develop. However, in case you plant watermelons with nasturtiums and beans, you may have fewer aphids attacking your melons, and your melons will develop extra vigorously due to the nitrogen-giving legumes.

Take a look at this video to study how the science of companion planting really works.

The watermelons aren’t the one factor benefiting, although; they act as a floor cowl for the beans and flowers to maintain them protected.

Companion planting is a part of the observe known as permaculture, which, put merely, is letting nature do its factor!

Watermelons as Companion Vegetation

Close-up of ripening watermelons next to growing bell pepper bushes. The fruits of watermelons are large, oval-shaped, pale green in color with dark green stripes. Watermelon leaves are large, coarse, lobed, with deep distinct veins.
Watermelons have good and unhealthy traits with regards to companion planting.

Earlier than you select companion vegetation in your watermelons, you must in all probability perceive how watermelons behave round others. They’ve good traits and unhealthy traits, so that they’re not a very good neighbor in direction of every thing.


Watermelons can maintain weeds right down to a minimal by choking out undesirable vegetation. They’re actually solely useful as soon as they’ve lengthy vines, so weeds could possibly be an issue when the vegetation are younger. Nonetheless, you gained’t must spend as a lot time weeding in the summertime!

The lengthy vines can even stop wind blowing away all of your soil. In case your backyard isn’t shielded from the wind, watermelons may also help you out. The vines and roots can even stop water from washing away soil, so the melons may also help with injury management if in case you have torrential rain.


Are you aware how I stated they may choke out undesirable vegetation? Effectively, they’ll choke out desired vegetation, too. Whereas intercropping is feasible, you should be strategic and make sure the vines don’t get uncontrolled. Companion planting might seem like vegetation alongside the borders or in containers in case your melons are a little bit rowdy.

Watermelons are thirsty and hungry. You’ll must water them quite a bit (they’re watermelons, in any case!) and provides them some additional fertilizer or compost right here and there. Vegetation that don’t like frequent feedings gained’t work properly within the melon patch, so that you’ll have to think about that.

Companion Vegetation for Watermelons

There are many watermelon companion vegetation to select from. Listed below are a number of the finest selections. Keep in mind, a very good neighbor to watermelons gained’t compete with root house and vitamins or shade out the plant.


Close-up of a growing basil. Basil leaves are large and flat, bright green in color, ovoid in shape. The leaves are located opposite each other on the stem.
Plant basil close to your watermelon patch to repel pests like thrips.

Basil is a good friend to many within the backyard. Its robust scent retains away many pests, together with thrips, which may attempt to make their residence in your watermelon vegetation. Plant basil between watermelon rows or on the borders of your patch to throw bugs off the scent.

Basil has a shallow root system and might have a bushy progress behavior. It shouldn’t negatively have an effect on your watermelons in case you house them appropriately, however you may at all times plant them in a container close by if in case you have any issues.

Beans and Peas

Close-up of a growing bean bush in a sunny garden. The bean is a herbaceous plant with elongated green leaves divided into three leaflets. The leaves are large, wide, dark green. The pods are long, green, and contain many oval seeds.
Plant bush or pole beans and peas subsequent to watermelons to supply a nitrogen enhance.

Bush and pole styles of beans and peas are no-brainer companion vegetation due to the nitrogen-fixing roots. They take nitrogen from the air and retailer it of their roots, which then deposit it into the soil as they decompose. When planted earlier than watermelons, you’ll give them a nitrogen enhance that may assist them develop sturdy vines. And when planted subsequent to watermelon, beans don’t compete for the soil’s nitrogen as they’re pulling it from the air!

You may assume pole varieties and vines don’t combine, but it surely’s a longstanding relationship. The Three Sisters technique of agriculture historically utilized by Native People positioned corn, pole beans, and squash altogether, and you need to use this similar technique with watermelons as a substitute of squash

Corn or sunflowers act as a pure trellis for the legumes, legumes present nitrogen, and watermelons act as a floor cowl.


Close-up of growing rows of cabbages in a sunny garden. Cabbage is a leafy vegetable with a round head of densely packed leaves that is light green in color. The leaves are smooth and broad, with a slightly waxy texture.
Plant cabbage or another brassica on the ends of watermelon rows to behave as a lure crop for pests.

Since cabbage is so massive, you gained’t need it too near your watermelons, but it surely’s nonetheless a very good companion to maintain round as a lure crop for pests. Many bugs that like watermelons additionally get pleasure from a very good cabbage, together with flea beetles, cabbage loopers, aphids, beet armyworms, and thrips.

Plant cabbage on the ends of your watermelon rows to stop them from getting in the best way of the roots and vines. Many bugs ought to flock to the cabbage, so you must see decreased injury in your melon vegetation. It’s as much as you if you wish to attempt to harvest the cabbage or let the critters have it.

You can too use another brassica, like collard greens, kale, or broccoli.


Close-up, top view of growing cilantro. Cilantro is an annual herbaceous plant with thin green stems and finely dissected bright green leaves.
Plant cilantro between watermelon rows to repel pests and appeal to useful bugs.

Cilantro works properly with watermelons as a result of they gained’t compete for house or create an excessive amount of shade. You possibly can plant it between or on the ends of watermelon rows.

This lovely-scented annual attracts useful bugs like lacewings and ladybugs, particularly when it goes to flower. These bugs will eat pests like aphids and different soft-bodied bugs that wreak havoc in your melon patch, so that you’ll need to embody this plant for positive!


Close-up of a ripe corn kernel in a sunny garden. Corn has a tall, upright stem covered with long, narrow bright green leaves that grow alternately on the stem and form a sheath around the stem. Kernels grow on a central stalk and are covered with husks.
Use corn as a pure trellis for beans or peas in a watermelon patch.

Corn is an efficient plant to incorporate in your watermelon patch in case you’re making an attempt the Three Sisters technique I discussed earlier. Use it as a trellis for beans or peas, so that you don’t have to fret about placing up trellises your self.

Corn and watermelons share most of the similar pest issues, like thrips and aphids, so you might encounter extra pest stress in case you don’t take preventative measures. Because of this you’ll additionally need to embody vegetation that repel these bugs and why companion planting is such an ideal technique.


Close-up of dill growing in a row in the garden. Dill (Anethumgraveolens) is an annual herbaceous plant with feathery green leaves that are thin and lacy in appearance. The leaves are arranged alternately on the stem and finely divided into filiform segments.
Plant dill between watermelon rows to draw ladybugs and different aphid-eating bugs.

Ladybugs love dill virtually as a lot as they love aphids, so that you’ll need to plant just a few of those close to your watermelons. Different aphid-eating bugs will flock to it, too. Be careful, aphids!

Dill gained’t compete too arduous for vitamins and water, and its progress behavior gained’t intervene with the melon vines. It really works properly between watermelon rows and shouldn’t develop vigorously sufficient to grow to be an issue, particularly in case you’re consistently harvesting from it.

Dwarf Bee Balm

Close-up of a flowering Dwarf Bee Balm plant in a garden bed. Monarda didyma 'Panorama Red Shades' is a compact herbaceous perennial plant. The leaves are opposite, fragrant, lanceolate, with serrated edges. The foliage is dark green in color and has a slightly hairy texture. The flowers of the Dwarf Bee Balm plant are collected in dense spherical inflorescences. The individual flowers are tubular and surrounded by colorful, papery, rose-red bracts.
Plant the compact dwarf number of bee balm across the backyard to draw useful bugs.

Bee balm is a beautiful flower with eye-catching fluffy flowerheads. All types of useful bugs will cease at this flower, so that you may as properly stick it throughout the backyard!

The dwarf selection is one of the best for planting with watermelons due to its compact progress behavior. It’s going to keep self-contained and gained’t get too tall, so overcrowding gained’t be a lot of a priority.


Close-up of growing rows of garlic in a sunny garden. The garlic plant produces long, thin leaves that emerge from the base of the plant and grow in clumps. The leaves are flat, linear, and green in color.
Use garlic as a pest management plant between watermelon rows.

Garlic has a pungent scent that many bugs don’t like, so it’s a very good plant to maintain round for pest management functions.

Until you’re rising elephant garlic, the small bulbs ought to simply match between watermelon rows. Don’t let it get too near watermelon roots, although, or they’ll begin competing for water and vitamins.


Close-up of growing rows of lettuce in the garden. This annual plant produces large, broad, smooth leaves that are bright green in color and with a waxy, delicate texture, arranged in a rosette at the base.
Lettuce is a useful companion plant for watermelon, because it grows shortly to stop weeds.

Lettuce is a good companion plant as a result of it serves a number of functions. Plant lettuce and watermelon seeds on the similar time. The lettuce will develop faster and act as a floor cowl to stop weeds, which can assist your watermelon seedlings out.

You don’t have to fret about overcrowding as a result of your lettuce will likely be prepared to reap by the point the watermelons want house.


Close-up of blooming marigolds against a blurred background. Marigolds have blue-green, feathery, fern-like leaves. Marigold flowers are medium sized, bright red-orange with a double row of petals surrounding a central disc of bright yellow.
Marigolds repel bugs, management nematode populations, and function a lure crop for watermelons.

Marigolds are nice companions to virtually every thing within the backyard, together with watermelons. They repel a number of bugs, together with tomato hornworms, squash bugs, and mosquitoes. Additionally they assist management nematode populations within the soil and act as a lure crop for a lot of pests, together with aphids.

Marigolds have a compact progress behavior that may work properly in a watermelon patch. You possibly can plant them on the borders or in between rows, they usually gained’t compete for house.


Close-up, top view of a mint plant in the garden. Mint is a perennial herbaceous plant with oval green leaves with serrated edges.
Mint is efficient in repelling aphids and flea beetles.

Mint works wonders with regards to repelling aphids and flea beetles, however this aggressive grower must be contained! Hold it in a container or in a raised mattress close by, and ensure its underground runners don’t infiltrate your watermelon mattress. (I believed I had my mint beneath management, however I used to be improper!)

Conserving mint close by can be handy for time for dinner as a result of mint in a watermelon salad is scrumptious.


Close-up of a flowering Nasturtium plant in the garden. This perennial has rounded, water lily-like leaves of green color. The flowers are medium, funnel-shaped, bright orange.
Nasturtium is a pretty lure crop that successfully retains pests like aphids and caterpillars away.

Nasturtium is a well-liked lure crop, and for a very good purpose. It’s definitely one among my private favorites as a result of I like its distinctive leaves and shiny flowers. However except for its magnificence, the plant attracts many pests, and planting it close to your watermelon can maintain aphids and caterpillars away out of your melons.

This flower has a compact progress behavior that shouldn’t get in the best way of your watermelons, but it surely’s finest to plant them in a container or on the tip of rows.


Close-up of rows of ripe onions in a sunny garden. Onions have edible bulbs and leaves. Litsia are long, tubular, bluish-green in color. The bulbs are round and have a papery outer layer that protects the juicy, white inner layers.
Onions, like garlic, can repel pests with their robust scent and could be grown close to watermelons.

Like garlic, onions are nice companions that repel varied pests with their robust scent. Relying on what sort of onion you develop, you will get them fairly near your watermelons with none issues.

Inexperienced onions and chives will match properly between rows, however bulbing onions will have to be on the ends of rows away from watermelon roots. The big bulbs will intervene with the shallow watermelon roots, and each vegetation will likely be sad.


Close-up of a growing Oregano plant in a garden. It is a perennial herbaceous plant with small, oval-shaped, greyish-green leaves and a slightly hairy texture. The stems are long, thin, upright, with a brown-purple tint.
Oregano could be a good companion to watermelons as a result of they’ve completely different root depths.

Oregano can develop shortly and sprawl as much as 18 inches huge. It’s possible you’ll assume it gained’t work properly with melons, however they’re really respectable companions. Watermelons have a shallow root system however develop a bit deeper than oregano roots.

So, when planted close by, oregano takes the water it wants, and the watermelons take the remainder of it, which helps the oregano not get overwatered. Fairly neat how they assist one another out!


Close-up of blooming poppies in a sunny garden. The leaves of the poppy plant are grayish green in color, deeply dissected, with a rough, slightly hairy texture. The flowers are large, bright red, with large papery petals and a protruding central box with black seeds.
Poppies are an ideal companion plant as a result of they appeal to pollinators with out casting an excessive amount of shade.

Poppies are brief vegetation that don’t get too bushy, so that they’re good companions to watermelons as a result of they gained’t forged an excessive amount of shade. They appeal to many pollinators, like bees and butterflies, so that you’ll need them round to assist your melons get pollinated.

Pair these with one other advisable flower, and also you’ll have a ravishing backyard mattress!


Close-up, top view, growing radishes in rows in the garden. The plant has pale green oval leaves with slightly serrated edges and edible rounded pink bulbs.
Radishes can maximize restricted backyard house and function a lure crop for aphids.

You possibly can take advantage of your restricted house with radishes. Plant watermelon and radish seeds on the similar time, and also you’ll be capable to harvest the radishes earlier than watermelons want house. Frequently plant them close to your watermelons to behave as a lure crop for aphids.

Select a small selection just like the Early Scarlet Globe so that you gained’t have to fret concerning the root interfering with melon roots. Some radish varieties are big and gained’t make good companions.


Close-up of sage in a sunny garden. Sage is a perennial herbaceous plant with greyish-green, oblong leaves and a slightly hairy texture.
Sage is an efficient companion to watermelons attributable to its pest-repelling skills and shallow roots.

It’s possible you’ll discover that many herbs are good companions due to their shallow roots and pest-repelling powers, and sage is on that record of buddies. It could actually repel flea beetles and cabbage loopers, each of which could be discovered bugging your watermelon vegetation.

Sage has water wants much like oregano, so you may plant it near watermelons as I described earlier. The sage will take the water it wants, and the watermelons will take the remaining.


Close-up of blooming Snapdragons plants against a blurred background. The plant has colorful tubular flowers and characteristic foliage. The leaves are medium green in color and spear-shaped with serrated edges. The flowers come in a variety of colors, including pink, red, yellow, and white, and are characterized by their unique shape, reminiscent of a dragon's mouth.
Plant snapdragons close to watermelons to draw pollinators.

Snapdragons are lovely flowers that may seize your consideration. It additionally grabs pollinators’ consideration, so that you’ll need to plant them close to your melons!

These flowers can attain as much as 15 inches tall and three ft huge, so that they’re finest used on the ends of watermelon rows away from the roots to stop competitors. They gained’t forged an excessive amount of shade, so that they’re a very good plant to maintain round.


Close-up of blooming sunflowers in a sunny garden against a blue sky. Sunflowers are annual plants that have large, showy flowers and edible seeds. Sunflower leaves are large, rough, heart-shaped, dark green. The flowers are large, flat, rounded, with bright yellow petals surrounding a dark central disc filled with small edible seeds.
Sunflowers are a very good substitute for corn within the Three Sisters technique of gardening.

Sunflowers are an ideal various to corn in case you resolve to make use of the Three Sisters gardening technique. Sunflowers develop tall, sturdy stems that gained’t have any issues holding up pole beans and peas and gained’t forged an excessive amount of shade on the watermelons. Be sure that your beans and sunflowers are watered on the base to scale back the chance of powdery mildew!

Many bugs flock to sunflowers, so that you’ll see pollinators and pest predators. They’ll additionally add a shiny pop of colour to your watermelon patch, which is a pleasant added bonus!


Close-up of a flowering Tansy plant against a blurred background. The plant has upright stems covered with fern-like green leaves. Tansy flowers are small, button-like, yellow. They grow in groups and are flat-topped.
Tansy is a poisonous flower that pulls pollinators.

Tansy is a ravishing flower that pollinators can’t get sufficient of, but it surely’s usually neglected by gardeners as a result of it’s poisonous and thought of a noxious weed in some areas. Hold this one in a container and deal with it with gloves, and also you’ll be good to go!

This flower will convey bees, butterflies, parasitic wasps, and hummingbirds to your backyard, that means extra vegetation will likely be pollinated, leading to extra watermelons.

Closing Ideas

Watermelons don’t must be the one factor you develop in a single space. There are such a lot of appropriate combos to check out! Companion planting is a great approach to backyard, so select a few your favourite vegetation and watch the plant friendship flourish.

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