When planning your garden , it ’s of the essence to understand how plant interactions can affect growth . Some plants can be detrimental to cucumber , inhibiting their maturation and affect crop yield .

Here ’s a detailed look at 15 plants you should avoid constitute near your cucumbers to ensure a healthy and productive garden .

1. Fennel

Fennel is a adorable herbaceous plant with feathery leaf and a strong aroma . However , it ’s not a good neighbor for cucumbers . Fennel secretes substances from its roots that can stamp down the growth of cucumber plants .

This allelopathic effect can be detrimental to the cucumber vine ’s growing . It ’s best to plant fennel in a separate area of your garden , away from other veg .

Doing this ensures that your cucumbers have the best prospect to thrive without the competition or interference from fennel ’s origin secretions , which can stunt growth .

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2. Black Walnut

The Black Walnut tree is roll in the hay for its proud appearance and valuable forest , but it ’s not a friend to cucumbers . Black Walnut trees make a chemical called juglone , which is toxic to many plant , include cucumbers .

This toxin can make wilt and yellowing of cucumber leaves , at long last leading to plant expiry . The compound is present in all parts of the tree , but especially in the tooth root .

To protect your cucumber vine , keep them well away from the vicinity of any Black Walnut trees , ensuring their healthy and robust growing .

Fennel

© UT Gardens

3. Potato

potato and cucumbers both belong to to the nightshade kinfolk , and institute them together can encourage the spread of shared pests and disease . Potatoes can harbor root - knot roundworm , which can open and impress cuke roots .

to boot , blight disease can channelize between these crops , cut back issue . It ’s advisable to plant cuke and potatoes in unlike sections of your garden , ensuring that neither crop is negatively affected by the other ’s pests or disease .

Maintaining this separation helps to foster a healthier garden ecosystem .

Black Walnut

© Wikipedia

4. Sage

salvia is a hardy herb with a typical olfactory property that ’s great for culinary uses , but it does n’t pair off well with cucumbers . salvia ’s strong fragrance can jumble and dissuade pollinators needed for cucumber flowers to put fruit .

Furthermore , sage can compete with cucumber vine for nutrients and space , hindering their growth . It ’s good to preserve a separate space for sage , allowing cucumbers to wave without competition or preventive .

This breakup allows your cucumbers to meet all the attention from pollinators they need , enhance yield production .

Potato

© Homes & Gardens

5. Rosemary

Rosemary is a robust herb , do it for its aromatic leave , yet its front can be consuming for Cucumis sativus . The acute aroma of rosemary can interfere with cucumber pollenation by confuse pollinator .

Moreover , rosemary and cucumbers have dissent water and soil requirements , which can lead to contender and resource depletion .

Planting rosemary in pots or disjoined areas can facilitate mitigate these way out , supply each plant with an surroundings suited to their penury . This careful placement assure both plant thrive .

Sage

© Kellogg Garden Products

6. Dill

Dill , although often recommended as a companion industrial plant for some vegetable , is not the best selection for Cucumis sativus . Dill can attract pests such as aphid and caterpillars , which may also damage cucumber plants .

to boot , dill can grow quite magniloquent , eclipse cucumber industrial plant and competing for sunshine . For the best resolution , industrial plant dill away from your cucumber patch .

This separation helps prevent pest infestation and ensures that cucumber find adequate sun for optimum growth , kick upstairs a more fertile crop .

Rosemary

© Wikipedia

7. Onions

Allium cepa are a staple in many gardens , appreciate for their culinary versatility , but they ’re not idealistic fellow traveller for cucumbers . The nipping smell of onions can deter pollinating insect crucial for cucumber fruiting .

Furthermore , onions have shallow roots , competing with cucumbers for water and nutrient at the dirt ’s aerofoil . To extenuate these event , onions should be planted away from cucumbers , allow both plants to develop vigorously without hindrance .

This breakup supports better pollenation and nutrient handiness for cucumbers , enhancing their growth potential .

Dill

© Gardenary

8. Garlic

Garlic is celebrated for its pest - repelling property , but it ’s not suited for planting near cucumber vine . The strong scent of garlic can confuse pollinators , reducing cucumber vine flower pollination .

Additionally , garlic competes for soil nutrients and outer space , potentially stunt cucumber growth . For optimal results , industrial plant garlic in a unlike part of your garden .

This arrangement allow cucumber vine to do good from adequate pollination and nourishing memory access without competition , ensuring a healthy and productive originate environs for your veggie .

Onions

© Better Homes & Gardens

9. Leeks

leek , like to onion plant , have an self-asserting presence that can negatively touch cucumbers . The strong odour of leeks can repulse good pollinator , which cucumbers rely on for yield production .

Additionally , Allium porrum and cucumbers vie for the same land nutrient , leading to potential deficit for both . To avoid these issue , apportion disjoined grow surface area for leeks and cucumbers .

This separation check that cucumbers take in sufficient pollinator attention and soil resources , bestow to a more abundant harvest time and goodly plants overall .

Garlic

© Gardener’s Path

10. Chives

Chives are a flavorful herbaceous plant often grown in herbaceous plant gardens , but they do n’t mix well with cucumbers . The pungent olfactory property of cive can deter pollinator from visiting cucumber flowers , which can ensue in poor fruit Seth .

Moreover , cive can spread out quickly and compete for space and nutrient . For optimal cuke health , plant chives away from cuke layer .

This separation ensures that cucumber receive the pollinator visits they need and have rich space to grow , leading to level-headed plants and a more productive garden .

Leeks

© Backyard Boss

11. Mint

Mint is a vigorous herb get it on for its novel taste and aroma , but it can overtake a garden with rest , making it a poor companion for cucumbers .

Mint ’s strong-growing spreading habit can quickly crowd out cuke plants , depriving them of space and nutrient . Additionally , its strong scent can also dissuade pollinator . Plant mint in containers or obscure area to keep it contained .

This will preclude it from encroaching on cuke soil , assure cucumber have enough room and resources to raise robustly .

Chives

© Gardeners’ World

12. Tarragon

Tarragon is a flavorful herb that tote up zest to cup of tea , but it does n’t play well with cucumbers . Tarragon can overshadow cucumber , competing for sunshine and nutrients . Its redolent oil can also dissuade pollinators necessary for cuke fruiting .

To foster a vibrant Cucumis sativus crop , flora tarragon well away from cuke bed . This will admit cucumbers to bask in sunlight and pull the pollinators they postulate for fruit evolution , leading to a more successful and fertile harvest .

13. Celery

Celery , though a pop veg , is not a great companion for cuke . Both celery and cuke are heavy feeders , meaning they demand a slew of nutrient from the stain . This competition can lead to nutrient deficiencies for both industrial plant .

to boot , cultivated celery can pull slugs and other pests that may harm cucumbers . For the in force results , keep celery in a separate surgical incision of the garden .

This will ensure that each plant has approach to sufficient nutrients and reduces the peril of pest issues , fostering healthier maturation .

Mint

© Good Life Permaculture

14. Cabbage

Cabbage , a hearty cruciferous vegetable , can dominate cucumbers when planted nearby . The large leaves of cabbage plant can block sunshine , lively for cucumber growth .

Additionally , cabbage can attract caterpillars and slug that might also direct cucumbers . To keep up a booming cucumber harvest , it ’s advisable to plant cultivated cabbage in a different garden field .

This ensures cucumbers receive adequate sunlight and cut pest risks , promoting healthier plants and a more bountiful harvest .

Tarragon

© Bonnie Plants

15. Shallots

Allium cepa aggregatum are a flavorful improver to the kitchen , but they ’re not the best garden neighbors for cucumber . like to their onion relatives , shallots can deter pollinator with their strong aroma .

Additionally , multiplier onion and cucumber vine both have shallow root systems , lead to competition for water and food . For successful development , it ’s good to set shallots away from cucumbers .

This detachment check both plants can reach the resources they need without hindrance , contributing to a more rich and harmonious garden environment .

Celery

© Gardenary

Cabbage

© Gardening4Joy

Shallots

© The Spruce