What to Plant Next to Watermelon for Maximum Yield

What to Plant Next to Watermelon?

When deciding what to plant next to watermelon, it is important to consider both pest control and pollination.

Good companion plants for deterring pests include garlic, catnip, dill, mint, nasturtiums, corn, broccoli, radishes, marigolds, and tansies.

However, cucumbers, summer squash/zucchini, pumpkins, winter squash, potatoes, tomatoes, peppers, and members of the aster or sunflower family should be avoided as they can attract pests or cause space issues.

Bees are essential for fertilization and fruit production in watermelons, so planting companion plants like marigold, lavender, and borage can help attract bees.

Additionally, seeding a strip of mixed wildflowers nearby can attract native bees for watermelon pollination.

Pole or bush beans are beneficial as they enrich the soil and are generally considered good companion plants for watermelons.

When planting bean teepees or trellises, it is important to position them facing north or east to avoid obstructing the midday and afternoon sun needed for watermelons to thrive.

Key Points:

  • Good companion plants for deterring pests next to watermelon include:
  • Garlic
  • Catnip
  • Dill
  • Mint
  • Nasturtiums
  • Corn
  • Broccoli
  • Radishes
  • Marigolds
  • Tansies
  • Cucumbers, summer squash/zucchini, pumpkins, winter squash, potatoes, tomatoes, peppers, and members of the aster or sunflower family should be avoided.
  • Planting companion plants like:
  • Marigold
  • Lavender
  • Borage
    can help attract bees for fertilization and fruit production in watermelons.
  • Seeding a strip of mixed wildflowers nearby can attract native bees for watermelon pollination.
  • Pole or bush beans are generally considered good companion plants for watermelons as they enrich the soil.
  • When planting bean teepees or trellises, it is important to position them facing north or east to avoid obstructing the midday and afternoon sun needed for watermelons to thrive.

Did You Know?

1. Did you know that planting marigolds next to watermelon can help deter pests? These vibrant flowers release a scent that repels insects such as aphids and nematodes, safeguarding your delicious watermelons.

2. Interplanting watermelon with radishes can actually benefit both crops. Radishes are known as a companion plant to watermelon because they help break up the soil, allowing watermelon roots to penetrate deeper and access more nutrients.

3. Another great companion for watermelon is basil. Not only does basil complement the flavor of watermelon in various summer dishes, but planting it nearby can also improve the taste of the watermelon. The fragrant oils of basil can be absorbed by the watermelon, enhancing its flavor.

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4. If you’re looking to maximize garden space, consider planting watermelon next to corn. Watermelon vines will climb the sturdy corn stalks, saving ground space and keeping the fruits off the soil, which can help prevent rotting.

5. Adding some flowering herbs, such as oregano or thyme, near your watermelon plants can attract beneficial insects like bees and butterflies. These pollinators will aid in the fertilization of your watermelon flowers, leading to better fruit production.

Companion Plants For Watermelons: Pest Reduction And Pollination Promotion

When planting watermelons, selecting the right companion plants is crucial for effective pest management and pollination. Garlic, catnip, dill, mint, nasturtiums, corn, broccoli, radishes, marigolds, and tansies are notable companions for watermelons. These plants release aromatic compounds that deter pests like aphids, beetles, and squash bugs, safeguarding your watermelon crop. Moreover, they attract beneficial insects that help control pest populations.

Plants To Avoid: Pests And Watermelon Incompatibility

While there are several compatible plants for watermelons, some plants should be avoided due to their pest-attracting characteristics or potential negative impacts on watermelon growth. Cucumbers, summer squash/zucchini, pumpkins, and winter squash are examples of plants that are not suitable companions for watermelons. These plants can attract pests like cucumber beetles and squash bugs, creating an environment that compromises the health of your watermelon plants.

Potatoes should also be avoided when considering neighboring plants for watermelons. Potatoes are known to attract different aphid species, which can spread to the watermelon plants and cause damage. To ensure the health and productivity of your watermelon crop, it is essential to steer clear of these incompatible plants.

Space And Sun Requirements For Watermelons

Watermelons require significant space and full sun exposure to thrive. These sprawling plants need enough room for their vines to spread out and a minimum of six to eight hours of direct sunlight daily. Without sufficient space and sunlight, watermelon plants may become stunted and produce smaller fruit or even fail to produce any fruit at all.

When planning your watermelon garden, make sure to allocate enough space to accommodate their growth. Consider the potential spread of the vines and leave ample room between plants to avoid overcrowding. Remember, providing a sun-drenched environment is crucial for watermelons to reach their maximum yield.

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Benefits Of Crop Rotation For Watermelon Growth

Crop rotation is an effective agricultural practice that offers significant benefits for watermelon growth. Rotating watermelon with different crops year after year helps prevent the buildup of pests and diseases specific to watermelons while improving soil fertility.

By rotating watermelons with other non-related crops, you disrupt the life cycles of pests and pathogens that may have overwintered in the soil. Additionally, rotating crops enhances soil health by reducing soil-borne diseases and nutrient imbalances. Consider incorporating legumes, such as beans, into your crop rotation plan as they help enrich the soil by fixing nitrogen.

  • Crop rotation is an effective agricultural practice for watermelon growth.
  • Rotating watermelons with different crops helps prevent pests and diseases specific to watermelons.
  • It improves soil fertility and reduces soil-borne diseases and nutrient imbalances.
  • Legumes, like beans, can be incorporated into the crop rotation plan to enrich the soil with nitrogen.

“By rotating watermelons with other non-related crops, you disrupt the life cycles of pests and pathogens that may have overwintered in the soil.”

Bee Pollination And Companion Planting For Watermelons

Bees play a crucial role in the pollination of watermelons, so it is essential to consider their needs when planning your watermelon garden. To attract bees for pollination, a variety of companion plants can be used strategically.

Marigold, lavender, and borage are highly recommended companion plants for watermelons due to their continuous or intermittent blooming periods. These flowers provide a reliable source of nectar and pollen for bees throughout the growing season, ensuring that they stick around for watermelon pollination.

It’s important to note that highly hybridized watermelon cultivars are generally less attractive to pollinators than heirloom varieties. If you are growing seedless watermelons, including some seeded varieties nearby can help draw bees to your garden, increasing the chances of successful pollination.

You can take bee-friendly gardening a step further by seeding a strip of mixed wildflowers next to your watermelon patch. These wildflowers attract native bees that may be more efficient in watermelon pollination compared to honeybees. Creating a diverse and bee-friendly environment will undoubtedly contribute to the maximum yield of your watermelon crop.

In conclusion, planting companion plants for watermelons can have a significant impact on pest reduction and pollination promotion.

  • Choose plants that deter pests and attract beneficial insects like bees
  • Avoid planting incompatible plants that can attract pests or compete for resources with your watermelon crop
  • Provide ample space and full sun exposure
  • Implement crop rotation
  • Consider the needs of bee pollinators
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By following these guidelines, you can create a healthy and productive environment for watermelon growth.


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Frequently Asked Questions

What should you not plant next to watermelon?

When planting watermelon, it is important to avoid certain companions such as cucumber and zucchini. These plants, being in the same family as watermelon, can hinder its growth and development, and may also attract unwanted diseases. Therefore, it is best to keep watermelon away from its melon relatives for optimal growth and health.

What does watermelon grow best by?

Watermelon thrives when grown alongside certain companion plants. To ensure optimal growth, it is recommended to sow cowpeas a few weeks prior to planting watermelon. This allows both crops to bloom simultaneously, creating a favorable environment for growth. Additionally, planting buckwheat, cowpeas, or sweet clover helps attract predators of watermelon pests, aiding in the protection of the plants. Furthermore, interplanting with radish, tansy, and nasturtium can effectively deter cucumber beetles from feeding on watermelons, preserving their quality and health.

What are the best planting conditions for watermelon?

Watermelons thrive in warm conditions, requiring average air temperatures ranging from 70 to 85 °F to achieve optimal growth. It is essential to ensure that the soil temperature at a depth of 4 inches reaches 60 to 65 °F before planting watermelon seeds. Since melon seeds struggle to germinate in cold soil, providing favorable soil conditions is crucial for successful cultivation. By adhering to these planting conditions, watermelons have the best chance of flourishing into juicy and delicious fruits.

Can tomato grow next to watermelon?

Tomatoes and watermelons are not suitable companions when it comes to planting them together. Tomato plants require a lot of nutrients as they are heavy feeders, which can have a negative impact on watermelon growth. Furthermore, the sprawling growth habit of tomatoes can overshadow the watermelon crop, hindering its access to sunlight.

References: 1, 2, 3, 4

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