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Summary
Onionsare a tasty addition to your garden . A appendage of the allium family , they facilitate repel certain pests and even improve the savor of some of their neighbour ! Thesecompanion plantsoffer mutually beneficial relationships , from revolt cuss to enriching the soil .
There are , however , plants that do n’t grow well near onions . These plants may compete for the same nutrients or inhibit each other ’s ontogeny . When planted next to each other , plants that commonly expand in your garden look stunted or wilt .
light upon the top six plants you should notplant with onionsto ensure a healthy and bountiful veggie garden !
1. Asparagus
Asparagus and onionsdo not make in effect garden partner . They compete for the same nutrients , resulting in scrawny growth of either or both onion and asparagus . When arise together , your asparagus stalks may not even form ! Allium cepa are hard feeders , command a high level of potassium and nitrogen to see large bulbs . Asparagus also needs a steadysupply of nutrients , including N , phosphorus , potassium , and calcium .
onion plant may also introduce aFusariumspp fungus into the garden that make crest and root rot in Asparagus officinales . These two plants do not belong together .
2. Beans
Pole beansgrow as vines , while bush beans grow as thick plants . Both character of bean have healthy bacterium that grow on their roots . Called rhizobium bacteria , it break down N gas into a figure the plants can use , helping them come after .
Unfortunately , Allium cepa expel a substance that kills this bacteria , stunting your beans ' growth . This effect also stops bean from releasing nitrogen into the territory , anessential nutrientthat can aid next yr ’s veggie garden ! In fact , atomic number 7 is vital for a works ’s growth and keeping them green .
3. Peas
Like beans , peas are affected by onion in the same mode . Both are in the legume family line , and peas also see stunted growth when develop near onions . Generally , plants with inauspicious kinship should be planted about two to three row apart or in an entirely different layer if you have infinite .
4. Sage
Sage and onions want very different growing conditions , translate to struggling plant . Sage needsvery little water and is drouth - tolerant once launch . Too much water can lead to root rotting , and the soil should dry between watering .
Allium cepa , however , are shallow - root and require even tearing and dampish soil . Any water stress may reduce the medulla oblongata size , stunt the growth of your onions . Onion industrial plant require at least 1 column inch of water every calendar week .
5. Parsley
Parsley is a beautiful herb with feather - corresponding leaves ordinarily find in Mediterranean herbaceous plant gardens . When impart to dishes , it extend a peppery , slimly earthy flavor .
Petroselinum crispum and onions , however , do n’t make the honest garden associate . These two plants vie for food and urine , possibly stunt parsley ’s growth in the cognitive process . Like onion , Petroselinum crispum is a intemperate birdfeeder , requiring a high nitrogen fertiliser every few weeks , and prefers dampish soil .
6. Other Allium Family Members
appendage of the allium family includegarlic , shallots , and leak . Being in the same syndicate as onion , they digest from similar disease and pest infestations . Common pests , such as onion maggots , can decimate your entire garden .
Fungal diseases like botrytis foliage blight can also spread rapidly . symptom include small white spots on the leaves , surrounded by a silver medal or light light-green circle . As it progresses , it can cause scrawny growing .
It ’s best to set these class member away from onion to draw in fewer pestis and confine the gap of disease . For this same reason , it ’s also a good idea to practice harvest rotation and avoid implant your onion in thesame garden patchwhere genus Allium grow the last year .
Beneficial Plants to Combine With Onions
Many plants do as ripe neighbors for onion , providing a reciprocally beneficial family relationship . beetroot are agood companionas both beets and onions have shallow roots and , because of this , prefer moist soil .
beet can also improve the production of onion as they add minerals to the soil , like magnesium . Deficiencies in this mineral upshot in yellow leaves and stunted emergence .
Chamomile , an herbwith a sweet Malus pumila - like scent , can improve the onions ' taste and add potassium , calcium , and sulfur to the soil .
carrot also like onions as they repel the carrot tent-fly . Carrot flies can wreak mayhem onyour carrot , pose larvae that rust the ascendent and the heart of the carrots . Due to onions ' strong scent , they help throw the carrot flies off cart track . To help out the Allium cepa , carrots bring about chemical substance that repel the onion fly , resulting in a highly good team .
Onions and Their Worst Companion Plants
When planning your garden , you ’ll discover lots of information regarding the best fellow traveller plants that aid each other prosper . However , it ’s just as important to screw which plants can affect each other in prejudicious way .
It can be very frustrating to delight a openhanded harvest one yr and then watch youronions strugglethe next , only to find it ’s their fellow industrial plant wreaking havoc . Asparagus , bonce , peas , salvia , fennel , and other allium family members should be planted out from your onion plant to ensure all works expand .
