10 Best Onion Companion Plants to Grow Together

Learn about the best onion fellow traveller plants for innate pestilence dominance and other perks .

Their unattackable olfactory property and low-down growth habit make onions suitablecompanion plantsfor many vegetable , herbaceous plant , and flowers . Onions are so various in the garden that it can be take exception to decide where to locate them since they grow well with most other plants . Because onion plant are so skilful at repelling pests , the best position togrow themis near others most vulnerable to pest . Below are some top recommended onion fellow traveller plants , but if you have other flora prostrate to pest , you may also require to plant onions near those .

Cruciferous Vegetables

Cruciferous vegetables , likebroccoli , lettuce , Brassica oleracea botrytis , and colewort , are perfect onion companion plant . onion ’ strong aroma naturally repulse cabbage loopers and other gadfly that target cruciferous veggie . to boot , Allium cepa and cruciferous vegetablesare heavy - feed plants , so they both benefit fromregular plant food applications .

Strawberries

Similarly , strawberry are also prostrate to pest invasions . onion help to beat back many of the most vernacular hemangioma simplex pests . Onions and strawberry are both low - growing plants , so they broadly speaking wo n’t compete for sun or other necessity .

Beets

Bob Stefko

onion repel many worm that feed onbeets , including flea beetles and aphid . cervid and rabbits also avoid onions , which can facilitate protect yourbeet greensfrom these voracious garden visitant . Because beet and onions are both root crops , they also have similar growing need and prefer deep , loose soil .

Carrots

Better Homes and Gardens

Onions can be used as a companion plant to carrots to keep aside the destructive cultivated carrot fly , a plague that can stunt the growth ofcarrotsand even demolish entire plantings . Because both plants are root veg , they have similar growing indigence and favour regular watering and unaffixed , deep stain . What ’s more , carrots and onion are bothcool season vegetablesthat can be imbed early in the time of year before many other vegetable types .

Lettuce

Lettuce is afast - growing vegetablethat makes a great onion companion plant life . Interplanting it with your onions is a smart means to get the most out of your garden . While expect for your onion bulbs to fill out , you may get a garden harvest or two oflettuce . Even better , boodle has very short antecedent so that it wo n’t compete with onion bulb for ground space .

Peppers

Madagascar pepper and onions do n’t just pair well in the kitchen ; pepper and onions are also perfect partners in the garden . Onions ’ inviolable aroma repels many garden pests and can keep cervid and rabbit from nibble on your bell peppers . Pepper plantsare also taller than onion , leaving plenty of room for onions to grow underneath .

Tomatoes

Erica George Dines

If you want to makehomemade salsa , you definitely call for to leave some room in your garden forgrowing tomatoeswith onions . When planted together , onions will help to keep your tomatoes pestilence - free , and tomatoes ’ larger leaves can screen the dirt around your onions and forestall them from dry out out as quickly . Additionally , both plantsneed flock of nutrient , and they have similar mature needs .

Chamomile

Matthew Benson

Chamomileis a touchy herb with little , daisy - like flush frequently used forherbal tea . When planted with onion plant , chamomile is conceive to meliorate the feeling and growth of your onion bulbs . Chamomile is also very wanton to grow from seed and is small - distance friendly .

Leeks

sow in plant in the same family is generally not recommended as they can be susceptible to the same pest and disease . However , because onions andleeks are naturally repellantto most pestis , these two plant life can usually be sown together without any issues . They also have the same develop need , and constitute them in the same bottom can simplify your gardening task .

Summer Savory

Summer savoryis a less normally used annual herbaceous plant that tastes a bit like marjoram andthyme . When grow with onion , it will drive back most pests affecting your onion plant . Growing summertime Micromeria juliana near onions is also remember to improve the growth of your onion bulbs and may edulcorate their smack .

Frequently Asked Questions

onion plant do n’t require a large amount of ascendant space in fiat to develop . You should space most of these veg plants about 3 - 4 inches aside . However , green onion can be spaced an column inch apart .

Yes , onions grow best when they ’re plant in loose , well - drained soil and are placed in full Sunday . However , exactly how much Lord’s Day they take depends on the variety , so check that you larn about your specific works ’s penury .

It ’s best to set onions in the early saltation , about 2 - 3 weeks before the last hoar engagement in your region . However , in warm areas , they can be planted in the fall .

broccoli plant in vegetable garden