Effective companion plants to protect cucumbers from pests like cucumber beetles, aphids, and squash bugs include marigolds, nasturtiums, radishes, dill, and catnip. These plants act by repelling pests with strong scents, acting as trap crops, or attracting beneficial insects like ladybugs and predatory wasps.

What plants repel bugs from cucumbers?

Marigolds -- Growing marigolds and cucumbers together works well because these pretty flowers can repel pest insects.

What are good companion plants for cucumbers?

Onions can be grown nearby, and low-growing chives are great for planting beneath cucumbers. Plus, both chives and onions make great additions to summery cucumber salads. Lettuce and cucumber are also a good pairing as lettuce are light feeders and will not compete for any nutrients.

How to get rid of bugs eating cucumber leaves?

If you have just a few plants in your garden, you can physically remove the beetles by swatting them into a bucket of soapy water. You can protect your cucurbits by using a floating row cover or a similar barrier during early to mid-June to keep the striped cucumber beetles from reaching plants.

What's eating holes in my cucumber leaves?

The most frequent culprits are cucumber beetles, caterpillars (like pickleworm/cutworm), and slugs or snails. Carefully inspect leaves for irregular holes, larvae, silvery slime trails, or visible beetles. Early identification ensures timely management to protect photosynthesis and yield.

Top 7 Companion Plants That Keep Pests Away Naturally

Do coffee grounds repel cucumber beetles?

Spread used coffee grounds around the base of cucumber plants to deter these pests while enriching the soil.

What is eating the skin of my cucumbers?

Pickleworms. The pickleworm (Diaphania nitidalis) severely damages cucumbers, cantaloupes, summer squash, and pumpkins. It also feeds on other cucurbits, such as winter squash and watermelons, but usually does little damage. Pickleworms (Diaphania nitidalis) bore into cucurbit fruit, and their frass is pushed out.

Do marigolds keep cucumber beetles away?

Heavy companion planting of fragrant herbs and flowers like marigolds, tansy, sage, and catnip can help confuse and repel the beetles. Try a trap crop.

What is the secret to growing good cucumbers?

Give Cucumber Plants at Least 6 Hours of Sunlight

Fruiting plants like cucumbers need a good 6 to 8 hours of sunlight a day for best flower and fruit production. You can still grow cucumbers with less-than-ideal sun, but you'll find they take much longer to produce.

What to plant next to vegetables to keep bugs away?

Flowers That Keep Bugs Away

Marigolds – Their scent repels aphids, mosquitoes, and nematodes, making them great companion plants for vegetables like tomatoes and peppers. Chrysanthemums – Contain pyrethrin, a natural insecticide found in many bug sprays. They help deter roaches, ants, and ticks.

What is the best deterrent for cucumber beetles?

A combination of pyrethrin insecticides and neem can effectively manage cucumber beetle, though you will likely need to apply more than once. Pyrethrins are contact insecticides that will kill most insects, including beneficials such as pollinators, so take care to apply either early or later in the day.

What to plant near cucumbers to keep bugs away?

5) Marigolds: Nature's Pest Control

Marigolds are excellent companions for cucumbers, primarily due to their pest-repelling properties. The strong scent of marigolds acts as a natural deterrent for aphids and other harmful insects that often plague cucumber plants.

What kind of bugs do marigolds keep away?

Marigolds are special because of their vibrant blooms, ease of cultivation, and versatility in both ornamental and functional gardening. They are known for their ability to: Repel pests such as aphids, whiteflies, and nematodes, making them valuable companion plants in vegetable gardens.

Does rosemary repel squash bugs?

When you plant squash, it attracts the squash beetle which will eat the leaves and kill your plant. If you plant borage and rosemary, the squash beetles don't like the smell so they won't come to your plant.

How do I keep my cucumber leaves from getting eaten?

How do I prevent cucumber beetles?

1. Use floating row covers to prevent beetles from infecting plants. ...
2. Choose non-bitter "burpless" cucumber varieties, such as Burpless hybrid cucumber and Burpless Bush hybrid cucumber, which attract fewer cucumber beetles than many older varieties.
3. Attract bumblebees.

What are the most common pests in cucumbers?

Aphids, cucumber beetles, whiteflies, and thrips are some of the important insect pests of cucumber. Insect scouting is needed to monitor insect populations and damage. Management strategies may include cultural practices as well as the use of insecticides.

Why should you not peel cucumbers?

Cucumber peel are a hidden source of beta-carotene, which is a type of vitamin A. This nutrient is known for its beneficial effects on the eyes. Vitamin A comes in a variety of compounds and beta carotene is found in the highest concentration in cucumber peels.

What is the best homemade bug repellent?

The best homemade bug repellents use essential oils like citronella, lemon eucalyptus, lavender, peppermint, and tea tree, mixed with a carrier like witch hazel, vodka, or water, often with a dash of vegetable glycerin to help it stick. A popular combination involves water, witch hazel/vodka, and a blend of 50-75 drops of oils (like citronella, peppermint, tea tree) in a spray bottle, shaken well and reapplied every couple of hours, but always dilute essential oils and test for skin sensitivity first. 

What flowers do cucumber beetles hate?

Preventative Actions

• Choose cucurbit varieties known to be resistant to bacterial wilt and cucumber mosaic virus.
• Interplant susceptible crops with fragrant tansy, catnip or marigolds, said to deter adult beetles.

---