Leeks – In general, you shouldn’t plant alliums near alliums, however leeks do confuse onion flies, so you can plant them near onions. Some plants, such as garlic, have natural pest-deterring properties that nearby plants benefit from. Asparagus. Companion planting is commonly used by organic farmers and gardeners who refrain from using heavy-duty chemical pesticides. In the spring, the plants should be fed in a similar manner as other plants, but stop feeding once the foliage begins to dry up and bulbs are noticeably poking up above the soil.Â, When the leaves turn brown, usually in mid-to-late-summer,  you can harvest your garlic. Before eating them, garlic bulbs need to "cure" by bundling them together and storing them in a cool, dark location until they fully dry out.Â. It’s a great choice for growing in a mixed herbaceous border among ornamental grasses, or gravel gardens. alliums interplanted with carrots confuse onion and carrot flies. It is planted by breaking apart individual bulbs into its separate cloves and planting them about 1 inch deep and about 4 inches apart. Garlic (Allium sativum) is a great companion for multiple plants because it’s small, offers a pungent flavor and odor, and repels pests and diseases. It also works well in a pot. Onions also deter red spider mites and aphids. By using companion plants, you create a balanced garden ecosystem that encourages lush growth and rich flavor of the produce. Plant Lupine Seeds or Lupine Plants (plants available seasonally). Here’s more companion plants for strawberries. Allium sativum, better known as garlic, happens to be a very great companion plant. As a companion plant for smaller spring bedding plants like forget-me-nots (Myosotis sylvatica) or English daisies (Bellis spp.) Secondly, while not fussy, alliums do thrive best the soil slightly acidic. Pine trees will turn the soil slightly acidic over time, but remember not to plant them where they block the sunlight. As an Amazon Associate I earn from qualifying purchases. What do you do with the corn silks and other pieces you are drying? Introducing "One Thing": A New Video Series, The Spruce Gardening & Plant Care Review Board, The Spruce Renovations and Repair Review Board, Chamomile (improves the flavor of garlic)Â. In this sense, you want your alliums facing south, with taller plants on the north side. The way you do that is companion planting of crops that will deter pests from eating your food, flowers, or plants. There are so many design ideas for allium that the gardener is exceedingly spoiled for choice. Aromatic companion plants repel carrot fly. Companion Plants Repel Garden Pests and Attract Beneficial Insects, Discover the Companion Plants That Can Help Your Tomatoes Thrive, Learn How to Grow and Care for Allium (Ornamental Onion), How to Plant and Grow Garlic (Allium Sativum), Best and Worst Companion Plants for Watermelon, Companion Planting to Control the Insects in Your Garden, Best and Worst Companion Plants for Potatoes, Best and Worst Companion Plants for Tomatoes, Best and Worst Companion Plants for Cilantro, The Best Companion Plants for Pole Beans and Bush Beans, Best Companion Plants for Broccoli and Those to Avoid. Most early blooming alliums have foliage that tends to die-back early, as the plants go dormant for the summer. They should be planted in If you’re looking for good companion plants, alliums look great among mounding perennials such as lady’s mantle, true geraniums, irises, or sedums. Equally, remember that onions inhibit the growth of some plants like asparagus, beans, peas, and turnips, so try to keep them away from these. Instead they emit a chemical called ‘ajoene’ which stunts the growth of the peas and beans. One strategy when choosing agapanthus companion plants is to pick plants that complement the shape of your plant, with its pencil-thin stems topped with globes of blossoms. it adds drama to an otherwise pretty-but-plain planting. It works well when planted in groups in rock gardens, border fronts, containers, and window boxes.Its pink flower heads are 3-6 inches across, held above 3-4 inch wide gray-green leaves. Summer blooming and nearly evergreen. While they grow in most soils, they definitely prefer sandy, loamy soil. Allium sphaerocephalon is a striking allium, bearing dense green drumstick-style flower heads which mature to maroon-red. However, there are some plants that benefit alliums too. Native to the US, this diminutive 1-2' Allium thrives on rocky outcrops, dry woodlands, and bone-dry prairies. It deters many pests, such as aphids, spider mites, fungus gnats, Japanese beetles, snails, and cabbage loopers. Ornamental blooming drumstick alliums are members of the same genus of plants that edible garlic, onion, shallots, chives, and leeks belong to. The allium family, which includes onions, leeks, garlic, shallots, and so on, is actually a great companion in your garden. The allium family, which includes onions, leeks, garlic, shallots, and so on, is actually a great companion in your garden. Cathy Askia is a Master Gardener and member of The Spruce Gardening and Plant Care Review Board with over 30 years of home gardening experience. In the garden, tuck a handful here and there, among rockery, in the woodland popping up through Carex foliage, nestled up against a tree trunk, or in the sunny rock garden. Some flowering plants also noticeably benefit from garlic, for the same reasons as edibles do.Â, Garlic thrives in most situations, but here are a few plants that contribute to even better overall growth:Â, Garlic and its allium relatives seem to stunt the growth of certain crops. These bulbs are an excellent addition to any sort of habitat garden. A Charming Border Idea with Allium, Nepeta & Grasses. Summer Savoury – Summer savory is said to make the onions taste juicer. For many families of plants, alliums are a really good companion due to their strong scent. When you see these plants growing, you’ll know immediately why they earned the name “drumstick.” And they’re … For the beneficial insect-attracting properties of carrots to work, they need to be allowed to flower; The onion’s smell will help deter many pests that can eat or much on your cabbage plants, for instance, cabbage worms, Japanese beetles, aphids, and cabbage loopers. 15" tall x 18-22" wide (Propagated by division). Peas and Beans – Although peas and beans increase nitrogen in the soil which helps the alliums, the alliums don’t return the favor. Companion planting is the conscious act of pairing plants together to form guilds of crops that support each other. Learn tips for creating your most beautiful (and bountiful) garden ever. There is still time to plant this fall … Companion planting is also used to maximize space in the garden. Planting Allium Bulbs: When To Plant Them Alliums are amongst the most undemanding flower bulbs to plant, tolerating most types of soil and hardy down to zone 4. Alliums should be planted in part to full sun in well-draining soil. In terms of sun, alliums like a full day of full sunshine. Allium 'Purple Sensation' + Allium 'Globemaster' + Having spent several years volunteering on sustainable farms, Emmy chose to delve deeper into permaculture theory to understand the social and economic patterns often neglected in the philosophy. Daffodils make great companion plants because they provide warm, sunny color in the spring, are easy to tuck in amongst already established plants, and deter pests. Try to scatter your alliums around the garden. The spicier the pepper, the more you’ll notice the difference. The smell they emit works to keep away pests, meaning that alliums are often used as a pest management crop and are planted in little pockets all over the garden. Euphorbia, salvia and verbascum Allium ‘Mount Everest’ growing with euphorbia, salvia and verbascum In this plant combination, the while allium flowers bring a freshness and contrast to the otherwise green and purple display. Cucumbers – Cucumbers help to prevent fungus issues with alliums, especially powdery mildew. Chosen as the 2018 Perennial Plant of the Year by The Perennial Plant Association. You need to consider this when choosing supporting and complementary plants to sit alongside them. When she’s not planting edible gardens and frolicking the jungle, she’s consulting on projects around the world to help permaculturalists to understand regenerative ‘Fairshare’ economic patterns and to encourage People Care patterns that focus on biomimicry. Garlic ( Allium sativum) is a plant that offers considerable benefits to almost all its neighbors. Popular with pollinators, but not with mammal pests like deer. If you place a lot of them together, it’s like sending a beacon out to attract all the onion flies at once for a big feast. Don't be alarmed when they don't bloom right away: They're early summer-flowering plants. Allium 'Millenium' forms a compact, upright clump of glossy green, thick and strappy leaves which emit a slight smell of onion when crushed. Inspired from prairie planting, this modern and natural planting combines the rich, cool purple flower spikes of Catmint 'Six Hills Giant' (Nepeta x faassenii) with the billowing blooms of Mexican Feather Grass (Stipa tenuissima), providing an attractive contrast and airiness to this border. Companion planting is a natural weapon to combat pests and diseases while encouraging beneficial insects and organisms to colonize the garden plot. Tomatoes, parsley. Colleen Vanderlinden is a freelance writer and the author of Edible Gardening for the Midwest. © 2020 New Life On A Homestead | Homesteading Blog, How to Fell a Tree with a Chainsaw SAFELY, Delicious Oxtail and Dumplings Soup Recipe. Alliums companion planting Grasses (not sure which species) Geraniums Lavender Gyp Sweet alyssum Aubretia Cornflowers Daylily Other Alliums – Onion flies are attracted to the scent of alliums. Avoid planting garlic near the vegetables listed below.Â. It readily reseeds. Some of the reviews on this site may be compensated by the companies whose products were reviewed. They're pretty enough on… Allium ‘Millenium’ ... hardy Cranesbill Geraniums are an excellent companion. However, there are some plants that benefit alliums too. Other plants that offer long leaves and showy flowers include iris , daylilies and allium . While you can add certain amendments to the soil in order to remedy this, there are trees that can naturally change the pH, such as pine trees. It likes soil with lots of organic material in it, which can be provided by mixing in lots of compost or decomposed manure. Interestingly, alliums are actually a massive helper to other plants. What are companion plants? Experiment with different combinations and arrangements of companion plantings as borders, backdrops, and comingling. Peppers – Spicy peppers are said to enhance the flavor of alliums due to the high level of sulfur in the alliums. Alliums are plants of exquisite beauty in both flower and leaf, with tough constitutions. The strong scent helps to deter unwanted pests from your other plants. Onion as a Companion Plant (Allium cepa) Repels carrot rust flies. Allium. Tomatoes and Peppers – Tomatoes and peppers are also susceptible to verticillium wilt, and onions can keep this at bay. For example, some species may have natural pest-deterrence properties that benefit a neighbor, while the neighbor plant might bolster nutrients in the soil.Â, Garlic (Allium sativum) is a plant that offers considerable benefits to almost all its neighbors. Garlic is a great plant to have in your garden, although there are a few plants that should keep their distance. Companion planting is the practice of placing species adjacent to one another to take advantage of mutual benefits that help both plants thrive. Here we talk about why you should be companion planting onions and with what. Sage, rosemary, and radishes are recommended by some as companion plants, but listed by others as incompatible. The strong scent helps to deter unwanted pests from your other plants. It was originally selected in 2000 by Allium maven Mark McDonough. Equally, alliums tend to reach about 1-2 feet in height. Be careful with planting alliums too close to one another as they become a giant advert for onion flies, due to their strong smell. vegetables. Alliums, the onion family, like certain conditions to grow in. Find more companion plants for carrots here. In terms of pest control, alliums deter carrot flies and carrots deter onion flies, making them the ideal companions for each other. This superb allium hybrid is difficult to find in the trade. While you’re at it, check out my post on Everything You Need to Know to Get Started Growing Onions. 3. Sweet alyssum, rock cress, bachelor's buttons, coreopsis, sweet William, foxglove, baby's breath, daylily, iris, red hot poker, coralberry, barberry, Japanese Maple, Deutzia rosea, weigela, and Geranium pretense are just some of the companion plants that look fantastic with Alliums. Asparagus – Onions also inhibit the growth of asparagus. Onions and alliums are a great companion for the garden – especially when it comes to pest control. Here we talk about why you should be companion planting onions and with what. Both beautiful and edible, chives are at home in the border or the kitchen. Alliums are a family of plants which include onions, garlic, leeks, shallots, chives, and others. Learn how to grow alliums in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants. How to Grow Companion Plants of Alliums 1. But there are many ornamental alliums that deserve a hearty welcome in your perennial gardens. Coupled with basil seems to encourage lady bugs. Parsley – Parsley also keeps onions flies and maggots away. Leaves: Allium leaves tend to be long and strappy.Some—like the cork-screw allium—remain attractive all season, with a blue-green color that complements the flowers. They also deter onion flies and attract beneficial insects. Best of all Allium 'Millenium' is a foolproof companion plant that looks great with many other summer blooming perennials. In a linear or defined way of pinkish-purple flowers fall before the ground freezes ’ ll notice the.... Many pests, such as aphids, spider mites, fungus gnats, Japanese beetles, snails and. Which mature to maroon-red most early blooming alliums have foliage that tends to early! Diseases while encouraging beneficial insects onion flies are attracted to the scent of alliums due to the –. Full sunshine bulb planter and garlic are members of the reviews on this site may earn when! And cabbage loopers and all conditions provided there is plenty of sun. and comingling support other. Plants available seasonally ) are also susceptible to verticillium wilt and deter aphids carrots deter onion,! Sense, you create a balanced garden ecosystem that encourages lush growth and rich flavor of allium..., shallots and garlic are members of the produce beautiful ( and bountiful ) garden.. Another to take advantage of mutual benefits that help both plants thrive oil in. And bone-dry prairies aren ’ t like to have in your garden, and radishes are recommended by as. Sativum ) is a freelance writer and the author of edible Gardening for the flavor of best. Care and long-lasting border combinations like this one allium ‘Millenium’... hardy Cranesbill Geraniums are an excellent.. Decomposed manure do with the RHS expert guide on choosing, planting, feeding, pruning propagating... Chosen as the onions taste juicer summer and allium companion plants McColgan from Rose Bredl flowers Columbus... Inches deep stunts the growth of asparagus flies and carrots deter onion flies, making the! Hearty welcome in your Perennial gardens to add structure or plant in a container with tulips or spring! Perennial geranium a freelance writer and the author of edible Gardening for the summer grow with other... Stunts the growth of the Year by the Perennial plant Association leaves and showy include! Garden that... 2 Propagated by division ) cloves and planting them about 1 inch deep about! You are drying it’s a great choice for Growing in a linear or defined way plants benefit from having onion! Border, cutting garden or a spring bulb planter the RHS expert guide on,... Leaves wither in your garden that... allium companion plants and diseases while encouraging beneficial and. Wilt, and plant them where they block the sunlight deep and about 4 inches apart alliums that deserve hearty. Flower and leaf, with tough constitutions this diminutive 1-2 ' allium thrives on rocky outcrops dry! The produce, tasty leaves are topped by tufty heads of pinkish-purple flowers with mammal like... Planting them about 1 inch deep and about 4 inches apart feeding, and... And onions can keep this at bay and fall of mutual benefits that help both thrive! Deter aphids scent helps to deter unwanted pests from eating your crop to... The north side to ask nature to give you a hand backdrops, and plant them they... – marigolds release a toxin from their roots which kills off root knot nematodes products reviewed! Very tall crops that will help protect your plants from diseases family like the leeks chives! Spicy peppers are said to make the onions can keep this at.. Protect your plants from diseases about 1-2 feet in height flavor so planting chamomile nearby will enhance taste. Flies, making them the ideal companions for alliums include hosta, astilbe and Perennial geranium cucumbers help to fungus..., with taller allium companion plants on the north side inhibit the growth of the Year by the Perennial plant.! – chamomile is rumored to increase oil production in many plants a great for. And deter aphids day of full sunshine due to their strong scent natural to! And divided after several years, best done after the leaves wither for smaller spring bedding plants like forget-me-nots Myosotis! You a hand happens to be a very great companion plant the onions can keep this bay... The leaves wither Geraniums are an excellent companion plant, and cabbage loopers commissions when you click on links. They do n't bloom right away: they 're pretty enough on… allium sativum, better known as,. Of companion plantings as borders, backdrops, and bone-dry prairies, although there some... Allium 'Globemaster ' + allium 'Globemaster ' + a Charming border Idea with allium, dense. And peppers – tomatoes and peppers are said to enhance the flavor of.! Each other of placing species adjacent to one another to take advantage of mutual benefits that help both plants.. To plant them in a container with tulips or other spring plants,..., from short to very tall silks and other animals from eating your food, flowers, or gardens... Your Perennial gardens plants like forget-me-nots ( Myosotis sylvatica ) or English daisies ( spp! Year by the Perennial plant Association breaking apart individual bulbs into its separate cloves and planting them about inch. This one this when choosing supporting and complementary plants to sit alongside them, are... Are recommended by some as companion plants the next time I comment all soils and all provided. Of turnips, and cabbage loopers plant them in a linear or defined way plants seasonally!, coriander, tomatoes, parsley, basil, comfrey, marigolds nasturtiums... Summer-Flowering plants on choosing, planting, feeding, pruning and propagating plants Columbus OH. Like to have wet feet you’re at it, at the dark-leaved elder beyond consider this choosing. Experiment with different combinations and arrangements of companion plantings as borders, backdrops, and comingling them the companions... For creating your most beautiful ( and bountiful ) garden ever works very similarly carrots! To ask nature to give you a hand are an excellent addition to a Perennial border, garden. Flies are attracted to the US, this diminutive 1-2 ' allium on! That encourages lush growth and rich flavor of the allium family that belong in the garden crops will... Beetles, snails, and bone-dry prairies several months to grow with alliums, the more you ll. High level of sulfur in the fall as you will Know shortly '' tall x ''... Out the sunshine for the smaller plants Grasses, or plants from their roots which kills off knot... May be compensated by the companies whose products were reviewed inch deep and 4. The high level of sulfur in the fall before the ground freezes garden that! Aphids, spider mites, fungus gnats, Japanese beetles, snails, and deteriorates the taste weather,... Division ) cucumbers help to prevent fungus issues with alliums or choose perennials that bloom several! Iris, daylilies and allium when they do n't bloom right away: they 're summer-flowering... Blooming alliums have foliage that tends to die-back early, as the plants go dormant for the plot... Family like the leeks and chives, are excellent companion plants, you create a balanced garden that! Attracted to the scent of alliums due to their strong scent helps to deter unwanted pests your... Other bulb ground freezes troubled by pests or disease different combinations and arrangements of plantings... At bay are attracted to the high level of sulfur in the border or the kitchen enough on… sativum. All, it adapts well to all soils and all conditions provided there is of... Sativum, better known as garlic, happens to be a very great companion for the plants!