What not to plant next to cucumber?

Author: Dr. Santino Osinski  |  Last update: Sunday, June 29, 2025

Here are a few plants that do not grow well with cucumbers:
  • Pumpkin (Cucurbita)
  • Squash (Cucurbita)
  • Courgette (Cucurbita pepo)
  • Potato (Solanum tuberosum)
  • Broccoli (Brassica oleracea var. italica)
  • Cabbage (Brassica oleracea var. capitata)
  • Kale (Brassica oleracea)
  • Sage (Salvia officinalis)

What is a bad companion for cucumbers?

Tomatoes: Tomatoes are not a good companion plant for cucumbers because they can attract pests like aphids and whiteflies that can also attack cucumber plants. They also require similar nutrients and water, which can lead to competition and reduced yield.

What does cucumber like to be planted next to?

Best Companion Plants for Cucumbers

These include: Peas, corn, beans, and lentils: These plants' root systems increase nitrogen in the soil, benefitting your cucumber plants. Mature corn stalks also provide support for climbing cucumbers and shade.

What plants don't like cucumbers?

Antagonistic plants for cucumbers
  • Plants in the same family as zucchinis, melons and pumpkins should not be planted directly next to cucumbers.
  • The same applies to Jerusalem artichokes, lovage, sage, radishes, radishes and tomatoes.

Can peppers and cucumbers be planted together?

Yes, cucumbers and peppers can grow together. They have similar growing requirements, such as needing full sun and well-drained soil. However, there are a few considerations to keep in mind: Space: Both plants can spread out, so ensure they have enough space to grow without overcrowding each other.

🌱 Cucumbers: Top 5 Companion Plants to Help Repel Pests & Improve Your Cucumber's Health!

What should not be mixed with cucumber?

Cucumber is a kind of cold-natured food, while peanut contains a lot of oil and fat. If cucumber and peanut interact with each other, it is easy to cause diarrhea.

Is it OK to plant tomatoes and cucumbers together?

Can tomatoes and cucumbers be planted by each other? Cucumbers and tomatoes can be planted by each other as they share similar growing habits and therefore you can grow tomatoes by cucumbers.

What compliments cucumber plants?

Here are a few plants that grow well with cucumbers:
  • Borage (Borago officinalis)
  • Dill (Anethum graveolens)
  • Chives (Allium schoenoprasum)
  • Dwarf beans (Phaseolus vulgaris)
  • Peas (Pisum sativum)
  • Sweetcorn (Zea mays)
  • Sunflowers (Helianthus annuus)
  • Nasturtiums (Tropaeolum)

What shouldn't you plant next to tomatoes?

1. Brassicas. Cabbage, broccoli, cauliflower, kale, Brussels sprouts, and kohlrabi can stunt the growth of your tomato plant because they out-compete them for the same nutrients. These vegetables are in the brassica family.

Will coffee grounds help cucumber plants?

Acidic-loving plants such as azaleas, blueberries, hydrangeas, rhododendrons, and roses will benefit from a sprinkling of coffee grounds around the base of plants. Vegetable crops that may benefit from coffee grounds include carrots, cucumbers, peppers, potatoes, and radishes.

Are marigolds good to plant next to cucumbers?

Marigold is considered gold when planted in a company with cucumbers. Its eye-catching flowers adorn your vegetable patch and will also attract beneficial insects like parasitic wasps, butterflies, lady beetles, and bees.

Where is the best place to plant cucumbers?

For growing outdoor cucumbers, choose a warm, sheltered, sunny site with fertile soil. Remove any weeds and dig in two bucketfuls of well-rotted organic matter, such as garden compost, for each plant.

What should you not plant peppers next to?

Brassicas: Brassicas such as broccoli, cauliflower, and cabbage are not good companion plants for peppers as they require similar nutrients from the soil, which can lead to competition and reduced yield.

Can I plant zucchini next to cucumbers?

As with other squash plants, it is not advisable to plant zucchini and cucumbers together. Cucumbers are members of the Cucurbitaceae family, just like zucchini and so they will compete for space and nutrients. Also, growing several similar plants in the same area can make it easier for pests to find the plants.

What is a good pollinator for cucumbers?

Cucumber flowers are not very attractive to native bees, so honey bees are the most important pollinator in commercial pickling cucumber fields, accounting for 98% of bee visits to cucumber flowers. Honey bees visit flowers for two reasons: pollen for protein, and nectar for carbohydrates.

What is the best position for cucumbers?

Cucumbers are usually trouble-free, particularly when grown with regular watering along with protection from cold. In cool zones, they need a warm, sheltered but full sun position. In very hot areas provide shelter from the hot afternoon sun to reduce sunscald and water stress.

What not to plant near cucumbers?

Plants to Avoid Planting Near Cucumbers
  • Potatoes, as they are both susceptible to fungal disease blight.
  • Aromatic herb plants like sage and basil as these can inhibit growth of cucumbers.
  • Melons - they are both the same family so susceptible to the same pests increasing the chances of a pest wipeout. .

Can I plant peppers and tomatoes together?

Growing tomatoes near peppers helps to shade the soil and can offer the peppers some protection from the sun in the hottest parts of the day.

What do you plant with tomatoes to keep the bugs away?

Top 10 Companion Plants for Tomatoes
  1. Marigolds. The bright colors and strong scent of marigolds make them an excellent deterrent against insects like tomato hornworms and aphids. ...
  2. Garlic. ...
  3. Onions. ...
  4. Lavender. ...
  5. Basil (Ocimum basilicum) ...
  6. Chives (Allium schoenoprasum) ...
  7. Asparagus. ...
  8. Celery.

Can you plant peppers and cucumbers together?

Vining vegetables like cucumbers actually make perfect companions to bushing veggies like peppers. They enjoy similar growing conditions and can grow together in about the same amount of space as a single plant. Ensure you trellis your cukes and plant your peppers in front so they aren't shaded by growing vines.

Do cucumbers like pots or ground?

They're ideal for growing in containers or small raised beds. Vining cucumbers produce more fruit, but they require more space than bush varieties. Though some gardeners let vining cucumbers sprawl on the ground, that practice promotes disease.

What is the best thing for cucumber plants?

-A trellis provides a solid structure and space for cucumber plants to grow on. Cucumbers produce better-quality fruit with less disease or damage when supported on a sturdy trellis. -A trellis makes the harvesting process a lot easier.

What should not be planted near tomatoes?

11 Worst Plants to Plant with Tomatoes
  • Corn. While corn and tomatoes might seem like a great summer pairing, they're not the best companions in the garden. ...
  • Eggplant. Eggplants and tomatoes belong to the same plant family, Solanaceae, which makes them prone to similar issues. ...
  • Broccoli. ...
  • Potatoes. ...
  • Cucumbers. ...
  • Peas. ...
  • Fennel. ...
  • Dill.

Can you plant marigolds with cucumbers?

Marigolds. Marigolds are one of the most popular companion plants because they repel a wide variety of pests, including aphids—a common pest on cucumber leaves.

Why do you plant cucumbers in hills?

When they are planted in raised mounds, 4 to 6 inches high, the advantage is that the soil warms up faster and drains better, and water that collects around the base encourages roots to feed more deeply. Pumpkins, squashes, cucumbers and melons are the more common vegetables planted in hills, with 4-6 seeds per hill.

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