Do you want to learn how to create a mini-cucumber paradise? The secret is companion planting! Most gardeners will spend time watering and fertilizing their plants, but when it comes to growing cucumber plants, experienced gardeners know it is all about the right companion plants. When you use the right companion plants, you will be creating a living ecosystem and make it so your cucumbers will thrive!
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Check PriceThe Reason for Cucumber Companions
Cucumbers are social plants and have significant benefits from being strategically planted next to one another. They are trailing vines with shallow roots that appreciate having their soil protected. Their leaves are prone to pests, which makes them benefit from natural pest predators. They have heavy feeding habits and respond well to nutrient-sharing partnerships.
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The trick is that companion planting is beneficial for various interrelated reasons! These include pest deterrence through aromatic compounds that insects find off-putting, improving soil with nitrogen fixation, attracting good insects, and creating a favorable microclimate.
Cucumber and Herb Health Benefits
Dill is the absolute best cucumber companion plant. Its feathery leaves provide a bit of shade to the roots of the cucumbers. More importantly, it attracts beneficial wasps and predatory insects, which will help keep pest numbers down. Dill is best planted from seed around the hills of cucumbers early in the summer for maximum protection.
When planted on the edges of a bed with cucumbers, oregano can create a living barrier to pests. The scent of the oregano confuses Cucumber beetles, and it’s low growing habit helps conserve soil moisture. For the most coverage, choose spreading varieties.
Marjoram is special! When planted within 18 inches of cucumber vines, marjoram enhances the flavor of the cucumbers. It creates a more complex flavor and the cucumbers taste sweeter!
Flowers that Help Control Pests
Chamomile works double duty as both a companion plant and a natural garden pharmacy. Its tiny flowers draw in hover flies that eat cucumber pests. Plus, chamomile’s roots release special compounds that even help other plants. Plant chamomile in between your cucumber rows in the spring.
Sunflowers spaced 3 feet apart are a great way to trellis cucumbers while also providing shade for the cucumbers! Sunflowers are great at attracting pollinators and will create a 'pollinator highway' with their large blooms. Plant your sunflower border on the north side of your cucumber plots.
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Nasturtiums are excellent trap crops that will attract aphids and cucumber beetles away from your precious vines. Plant them around your cucumbers. The bright flowers will signal a 'dining room' to the pests and protect your harvest.
Partners Among Vegetables That Share Resources
Corn is excellent at vertically sharing space with cucumbers. Plant corn first and then drop cucumber seeds at the bottoms of corn stalks. The corn will act as a trellis while the cucumber leaves will shade the corn roots and help to retain moisture.
Bush beans will provide their nitrogen fixing qualities to the cucumber vines throughout the entire growing season. Plant the bean seeds 6 inches away from the hills of cucumbers. As the beans mature, they will feed nitrogen to the cucumbers.
Cucumbers and squash have a three-sisters-style partnership where the cucumber vines weave between squash plants. The big leaves of the squash act as a living mulch, keeping the cucumber roots cool and moist as the plants maximize the space in the garden.
Root Vegetables Which Enhance Cultivation Condition
Because of their tap roots which can break up areas that roots of cucumbers cannot penetrate, carrots can act as natural soil aerators. For improved drainage and access, interplant carrot seeds with cucumber hills.
Radishes serve many purposes! Their fast growth breaks up clumps of soil and after they are harvested, they leave spaces for cucumber roots to grow. They also have a natural chemical defense against cucumber beetles.
The growing and harvesting of potato plants creates a positive soil disturbance pattern. They create and leave loosened soil which is rich in organic material and is ideal for the spreading of cucumber vines.
Timing and placement strategy
When it comes to companion planting with cucumbers, timing and spacing can make or break the success of your garden. To help develop roots and their systems, plant nitrogen-fixing companions, such as beans, 2 to 3 weeks before you plant your cucumber seeds. To enhance the pest-deterring properties, place aromatic herbs upwind from the cucumber plants.
Instead of rows, make companion plant circles around cucumber hills. This will help with good interactions and make maintenance easier. For direct companions, leave 18-inch spacing to the cucumber plant. Place trap crops 3-4 feet away so they can draw pests without keeping them too close.
Strategies for Seasonal Succession
Instead of planting companions all at one time, try to do them in waves. Start off by putting in quick growing radishes and lettuce as early soil preparers. Then, add the main companions like dill and beans when it's time to seed cucumbers. Finally, finish with heat-tolerant flowers like zinnias for late-season pest control.
This succession technique prevents competition for resources during crucial developmental stages and facilitates the constant harvesting of benefits during the extended growing season of cucumbers.
What to Avoid
Some plants really bad for cucumber growth and need to be spaced out. Sage and rosemary and other aromatic herbs slow down cucumber growth, and heavy feeders like tomatoes take up the same nutrients that cucumbers need. Also, be sure to keep cucumber patches away from black walnut trees, since they are allelopathic and can release natural herbicides that will hurt the roots of your cucumbers.
