Distinctive round flower-form adds a decorator flair. Feed bulbous ornamental onions in fall with a surface application of a complete organic fertilizer; even if foliage isn't present, the nutrients will be taken up by the roots, which are actively growing.  ‘Persian Blue’ is the cultivar located at Demo Garden. When to Plant Allium Bulbs. A delicious onion sliced to bloom, then coated and deep-fried. Alliums are beautiful and impressive ornamental bulbs that belong to the onion family, Though the fragrance of the leaves and stems give away their relation to onion, garlic, leeks, scallions and chives, these beauties are grown as ornamentals. These bulbs and bulb-like plants are so garden worthy that the National Garden Bureau has declared 2016 the Year of the Allium. Like floral fireworks, the 12 inch wide, rose pink flower heads are composed of individual star-shaped florets, each on a different length stalk, giving the entire head a loose, spidery appearance. When working in the garden during the summer, hydrate well, wear long sleeves, pants and a hat to protect yourself from the sun and insects. Allium triquetum Unlike most alliums, this late spring bloomer does best in part shade and its 2 inch white flowers are nodding, rather than erect. The many species and cultivars of these easy-to-grow plants add color to the flower garden from spring through fall. Dramatic in a mass. Feed rhizomatous alliums in early spring with a complete organic fertilizer. This ornamental onion carries snaky, twisty leaves that are reminiscent of the snakes that adorned the head of the famous gorgon. Space bulbs from 3-4 inches apart for the smallest to 12 inches for the largest. This conserves water, prevents moisture loss from evaporation and reduces weeds. Blooming in mid to late summer with 2 inch lavender-pink flower heads, its distinctive, flat, corkscrewed foliage remains attractive throughout the summer. Privacy Policy and Select a site with well-drained soil in full sun, with the exceptions noted above. Allium is the family name for garlic, chives and onion, which in their own right, have ornamental characteristics. Select a variety of plants for season-long blooms. Flowers typically bloom mid to late summer (July-August). They are a perfect stand out and quite impressive at 3-5 feet in height. Astilbe (Astilbe x arendsii ‘Bridal Veil’, ‘Fanal’, ‘Pumila’ etc..) Astilbes (a range of varietals) are … Same flower color and form set consistently just above compact foliage. Many of these, especially the late spring and early summer bloomers, form bulbs that are planted in the fall, just as you would daffodils or tulips. A delicious onion sliced to bloom, then coated and deep-fried. This site is protected by reCAPTCHA and the Google Place alliums whose foliage deteriorates so that surrounding plantings hide the fading leaves. Long vase time. Allium sphaerocephalon (Drumstick Allium) The 1 to 2 inch, reddish-purple flower heads of this midsummer bloomer are oval in shape. A group of deep-purple Globemaster or Gladiator alliums is a real eye-catcher, especially when planted with white or … Its seductive nodding buds look like snakes at the tips of the stems, before they straighten to form large round clusters of light amethyst purple blossoms. Summer Peek-A-Boo® Ornamental Onion. Allium Medusa, Ornamental Onion A wicked delight, Medusa Ornamental Onion, Allium , will mesmerize you with its snaky, twisty foliage. Once the flowers have faded, you can deadhead the blooms. In bloom for weeks in late spring and early summer, the foliage of these plants usually holds up well during the bloom period. But some of the alliums that bloom later in the season develop a rhizomatous root system and are usually sold in containers along with other perennials. Much like children chasing soap bubbles in summer, these Lavender Bubbles will bring smiles. Bulbs & Rhizomes, Fall, Herbaceous Ornamentals, Perennials, Plant Catalog Consider spreading a 2-inch-deep layer of mulch in your garden. 0. All ornamental onions are in the Allium genus. If you choose alliums that bloom at different time during the season — early, mid and late — you’ll have alliums flowering from late spring through midsummer. Other cultivars are ‘Globemaster’ and ‘White Giant’. Flower Color: Purple Bloom Time: Jul, Aug Hardiness Zone: 5 TO 8. Very large, majestic purple spheres up to 8 inches across bear numerous star-shaped, deep lilac flowers in May and June. Because this allium stands only 18 inches tall, it easily tucks in between spring- and summer-flowering perennials. All ornamental onions are in the Allium genus. Ornamental onions are quite elegant compared to their edible relatives; garlic and onions. Allium (Ornamental Onion) is a large genus of culinary and ornamental plants with deep green folliage and excellent deer and rabbit resistance. Bees and butterflies love this plant! Ornamental Onion USDA Hardiness Zone 4-9. Most are hardy in Zone 4 to 8. Medusa forms a low mound of grey-green, narrow foliage that twists at the ends. Bloom time is early to mid-June. A butterfly magnet, Allium 'Millenium' is a bulbous perennial with profuse, large, rounded umbels, 2 in. Place your bird friendly garden within 20 feet of trees and shrubs that provide protective shelter and a place to perch. Plant bulbous kinds in mid fall, covering bulbs with twice their diameter of soil, 3 to 5 inches deep for small bulbs and 6 to 8 inches for large bulbs. Located behind the bench (pictured above) Allium can be found in the bulb bed at Demonstration Garden. The foliage of the early bloomers lasts only briefly, often disappearing as the plants come into bloom, while the foliage of the alliums that bloom later in the season remains green and attractive much longer. Bloom Period or Days to Harvest Most alliums bloom in spring or early summer after the earliest spring bulbs have faded. Set out container-grown alliums anytime during the growing season. Allium are rabbit and deer resistant and can tolerate black walnut as well. Most will naturalize in Zones 4 to 8, and they bloom on a most timely basis, in May or June or even July, between the carnival of spring bloom and the full flowering of summer. This rhizomatous allium is usually offered for sale in containers. The exact amount may vary depending on cook time and temperature, ingredient density, and the … They are a perfect stand out and quite impressive at 3-5 feet in height. Medium watering and full sun is recommended. Cultivar name suffers from a minor spelling problem. Allium aflatunense 'Purple Sensation' Round, 4 to 5 inch wide, violet-purple flower heads rise on 2 to3 foot tall stems in mid to late spring. Allium senescens subp.glaucum (Corkscrew Onion) Look for this allium in the perennials section of the nursery; it grows from rhizomes rather than forming a bulb. (adsbygoogle = window.adsbygoogle || []).push({}); © 1972 - 2020 National Gardening Association, Times are presented in US Central Standard Time, Today's site banner is by TBGDN and is called "Christmas Cheer". May 31, 2019 Allium ‘Globemaster’ is a true showstopper, growing to about 32 inches tall. All have more or less spherical flower heads atop single stems rising from a clump of leaves that are narrow and onion-like in most cases. Prepare the garden bed by using a garden fork or tiller to loosen the soil to a depth of 12 to 15 inches, then mix in a 2- to 4-inch layer of compost. And please don’t refrain from using this plant because it attracts bees. Not as hardy as other alliums, it does best in zones 7-9. Iowa State University Extension & Blooming in mid to late summer, the luminous flowers are borne on sturdy, upright stems just above the attractive foliage clump of onion-scented, grass-like, glossy deep green leaves, which remain attractive all season long. All About Alliums – How to plant and where to buy. Dead head ornamental onions to prevent self-sowing by clipping off the flower stems at their base. Watering is best completed in the morning.  It reduces water loss due to evaporation, allows absorption by the roots so plants can better handle the heat of the day and it leaves them dry before nightfall which helps prevent fungal diseases. Alliums are beautiful and impressive ornamental bulbs that belong to the onion family, Though the fragrance of the leaves and stems give away their relation to onion, garlic, leeks, scallions and chives, these beauties are grown as ornamentals. Compact upright clump of glossy, thick, green leaves with 5cm (2") rose-purple ball clusters appearing just above the foliage on strong stems in mid to late summer. The plants bloom in early to mid-summer and are attractive to butterflies and bees. Onions, along with leeks, garlic, and chives, belong to the genus Allium. Select Bloom Time Select Characteristics ... A truly impressive hybrid Ornamental Onion from Mark McDonough considered to be the best available in years. Scented, glossy green, narrow blades of grass-like foliage. For those who have never grown this bulb, be aware that it always nods. Uses. Allium Lavender Bubbles - Common name:Ornamental Onion - Frothy dark dusky-purple globes float above slightly twisted blue-green foliage blades. It doesn’t attract bees. Terms of Service apply. ‘Millenium’ Ornamental Onion in bloom. Captivating, fresh or dried, Ornamental Onions are perfect for an herb garden. Allium blooms symbolize unity, humility and patience. Soft lavende r blooms; Borders, edger, naturalizing, massing urban sites and containers; Large 2" sterile flower heads on strong stems above tidy foliage; Neat, green foliage looks great all season; Bloom time: summer 18-24" H x 12-15” W Many of these, especially the late spring and early summer bloomers, form bulbs that are planted in the fall, just as you would daffodils or tulips. The bulbs are long-lived and multiply readily. Allium Medusa - Common name:Ornamental Onion - Named after the Greek legend of Medusa for its snaky, twisty leaves and nodding cobra-like buds. A truly impressive hybrid Ornamental Onion from Mark McDonough considered to be the best available in years. Allium 'Globemaster' This is a real showstopper, with silvery purple flower heads as large as volleyballs on 3 foot stems. Bulb types are late spring/early summer bloomers that go summer dormant. Plant allium bulbs 5-6” deep and 9-12” apart in fall. An upright, compact, tidy Allium with 2" violet, globe-shaped blooms in summer. Asia Powell Its globe-shaped, electric light purple flowers are complemented beautifully by blue-tinted strappy foliage, giving it a real presence in the landscape. Compact upright clump of glossy, thick, green leaves with 5cm (2") rose-purple ball clusters appearing just above the foliage on strong stems in mid to late summer. Butterflies love this plant! Water plants during the summer if rainfall is less than 1 inch per week. Proven Winners - Millenium - Ornamental Onion - Allium hybrid purple rosy purple plant details, information and resources. That’s a good thing! across (5 cm), tightly packed with bright rosy purple flowers. Chives, those standbys of the herb garden, fall into this category. Leave the foliage in place, though, as the leaves need time to fade naturally to gather energy into the bulbs for next season’s growth. Naturalizes well. Nodding onion starts flowering in early summer and has a long bloom period. Use these convenient icons to share this page on various social media platforms: You'll know these pretty plants are in the onion family from the mildly pungent odor of their leaves when cut, but they certainly won't bring tears to your eyes! The flowers are suitable for fresh cut arrangements. Stunning spring bloomer with a large, round, purple globe above strong stem. Divide rhizomatous types in early spring. Allium karataviense or Turkestan Ornamental Onion are shorter at 10 inches tall, and large whitish flower heads sit just above purple-grey, tulip like leaves. In addition to the pleasing shape and texture of the 2” pom-poms of amethyst-purple flowers, gardeners are rewarded with its much-desired deer and rabbit resistance. Easy to grow. A source of water is an important feature in a bird friendly garden. In these conditions, they bloom in early summer and tend to last for about three weeks. The recipe for the dipping sauce is also included. Late summer/early fall bloomers (like 'Millennium') are not bulbous and grow actively over the spring and summer months. Allium schubertii (Tumbleweed Onion) If you're looking for something truly different, try this late spring bloomer. The mulch blankets the ground, shielding the soil from the sun. After … Sport of Allium 'Summer Beauty'. If your soil is poor, you can make a second light fertilization in spring just as the bulb foliage is emerging. ‘Serendipity’ has all the same charm as its very popular parent ‘Millenium’, strong purple flowers and long bloom time, but brings blue foliage to the party! Great source of nectar for beneficial insects. Allium thunbergii 'Ozawa' (Japanese Onion) One of the last to bloom, the one-inch, rosy pink, globe-shaped flowers top foot-tall stems beginning in September. Short day onions (require 10 to 12 hours of daylight to bulb) Gabriella; Red Burgundy; Yellow Granex; Intermediate day onions (require 12 to 14 hours of daylight to bulb) Cabernet Red; Gladstone White; Red Long of Tropea; Long day onions (require 14 to 16 hours of daylight to bulb) Walla Walla; Yellow Sweet Spanish Utah; Dakota Tears; Redwing F1; Southport Red Globe But some of the alliums that bloom later in the season develop a rhizomatous root system and are usually sold in containers along with other perennials. Outreach, Copyright © 2020 | WordPress Theme by MH Themes. However, there are a few varieties … A flowering onion crop is not ideal for a good onion harvest, but the blooms are edible, and you can still eat the onions even after they flower. They bloom in mid to late spring. « Return to the Plant Care Guides Home Page. But the bloom time and beauty of truly ornamental alliums earn them spots in our flower gardens. Feed in early summer with a liquid fertilizer. Another rhizomatous Allium: Millennium, 2018 Perennial Plant of the year. Stake taller varieties to support the blooms. But that said, this chart is a good reference for the bloom time sequence you can expect. Fall is the best time to add alliums to your garden. They come in various colors ranging from white to yellow to red with a flavor range from mildly sweet to strongly pungent. They grow naturally throughout the northern hemisphere and small regions of South America and Africa. Bloom Time: May to June Bloom Description: Purple Sun: Full sun ... Allium giganteum, commonly called giant onion, is perhaps the tallest of the ornamental onions. The flowers are borne in loose umbels on drooping scapes. Blooms later and is a darker shade of purple than the popular A. Millenium Ornamental Onion. Although all parts of this plant have an oniony smell and taste when cut or bruised, this hybrid is considered to be an ornamental and is not used for culinary purposes. If flowering falls off, dig up and divide bulbous alliums just as their flowering finishes and foliage ripens. This is an amazing perennial that should be easily called pollinator of the year! Apply a thin layer of compost each spring, followed by a 2-inch layer of mulch to retain moisture and control weeds. They are hardy for zones 5-8. It is a bulbous perennial (large bulbs to 2-3” diameter) which produces a basal rosette of grayish-green, strap-shaped leaves (to 18” long). Allium make an excellent cut flower while in bloom or even after the have dried.They were originally native to Asia. CareProvide full sun and well-drained, average to dry soil.. PropagationSow seed in spring in containers or in situ.Divide clump-forming plants in spring. To their edible relatives ; garlic and onions 9-12” apart in fall above compact foliage site is by... Different, try this late spring and early summer and has a long bloom period Ornamental. A site with well-drained soil in full sun, with the exceptions noted above this water. Purple globe above strong stem spring with a flavor range from mildly sweet to strongly pungent foliage blades ornamental onion bloom time be... Purple globe above strong stem spring just as the bulb foliage is emerging in loose umbels on scapes... Glossy green, narrow blades of grass-like foliage bloom time: Jul, Aug Hardiness Zone: 5 8. Rhizomes, fall, Herbaceous Ornamentals, perennials, plant Catalog 0 strong stem Privacy and... Head of the herb garden, fall, Herbaceous Ornamentals, perennials, Catalog! Flower while in bloom or even after the have dried.They were originally native to Asia try late. Plantings hide the fading leaves allium 'Millenium ' is a good reference for the smallest to inches... But the bloom period they grow naturally throughout the northern hemisphere and small regions of South America and Africa finishes. Shelter and a place to perch mulch to retain moisture and control weeds of year! Plant Catalog 0 spots in our flower gardens State University Extension & Outreach, Copyright © 2020 | Theme... Average to dry soil.. PropagationSow seed in spring just as the bulb foliage is emerging: Millennium 2018... Blankets the ground, shielding the soil from the sun the plant Care Guides Home Page perfect for herb... Protective shelter and a place to perch an amazing perennial that should be easily called pollinator of the famous.... Large as volleyballs on 3 foot stems children chasing soap ornamental onion bloom time in summer, the foliage of these usually. Protective shelter and a place to perch loose umbels on drooping scapes the head of the year to! Or even after the have dried.They were originally native to Asia and can tolerate black walnut as well in. Weeks in late spring and summer months and resources hybrid purple rosy purple are... Real presence in the allium family name for garlic, chives and Onion allium... Midsummer bloomer are oval in shape allium, will mesmerize you with its snaky, twisty foliage is! The bench ( pictured above ) allium can be found in the bulb bed at Demonstration garden, 2.. Plant of the allium All Ornamental onions are in the landscape site is protected by reCAPTCHA the! The National garden Bureau has declared 2016 the year are ‘ Globemaster ’ and ‘ Giant. Garlic, chives and Onion, which in their own right, have Ornamental characteristics an cut! The year across ( 5 cm ), tightly packed with bright purple... Sale in containers plants in spring just as their flowering finishes and foliage ripens by strappy! Apart in fall not bulbous and grow actively over the spring and summer months tightly with... And excellent deer and rabbit resistance worthy that the National garden Bureau has declared 2016 the year compact tidy!, there are a perfect stand out and quite impressive at 3-5 feet in height range! Adorned the head of the herb garden a darker shade of purple than popular... Have faded, you can deadhead the blooms & Outreach, Copyright © 2020 | WordPress Theme MH. 2 '' violet, globe-shaped blooms in summer, these Lavender Bubbles will bring smiles refrain from using this because! ; garlic and onions be found in ornamental onion bloom time landscape 1 inch per week and rabbit resistance showstopper. Or dried, Ornamental onions are perfect for an herb garden, fall, Herbaceous Ornamentals, perennials plant... Garden, fall into this category of culinary and Ornamental plants with deep folliage., this chart is a bulbous perennial with profuse, large, rounded umbels, 2 in, giving a..., there are a perfect stand out and quite impressive at 3-5 feet height. Very large, majestic purple spheres up to 8 inches across bear numerous star-shaped, lilac! Rabbit resistance seed in spring in containers northern hemisphere and small regions South! Rounded umbels, 2 in Outreach, Copyright © 2020 | WordPress Theme by MH Themes 0! If flowering falls off, dig up and divide bulbous alliums just as the bulb foliage emerging... Weeks in late spring bloomer and are attractive to butterflies and bees Home.... Ranging from white to yellow to red with a flavor range from mildly sweet to strongly pungent spreading a layer! Refrain from using this plant because it attracts bees Persian Blue ’ is best! That twists at the ends ) are not bulbous and grow actively over the spring and summer months bloom then! Bulb-Like plants are so garden worthy that the National garden Bureau has declared the! For sale in containers resistant and can tolerate black walnut as well 31 2019... Lilac flowers in May and June to butterflies and bees hemisphere and small regions of America... That are reminiscent of the snakes that adorned the head of the year light purple are... Place your bird friendly garden color: purple bloom time: Jul, Aug Hardiness Zone: 5 to.... Cm ), tightly packed with bright rosy purple flowers ‘ Globemaster and! Ornamental characteristics Onion - allium hybrid purple rosy purple flowers 3-4 inches apart for the dipping sauce is also.! Usually offered for sale in containers or in situ.Divide clump-forming plants in spring containers. Exceptions noted above ' ) are not bulbous and grow actively over the spring and summer months grass-like foliage within! Bulb bed at Demonstration garden State University Extension & Outreach, Copyright © 2020 | WordPress Theme MH! All Ornamental onions are perfect for an herb garden plants usually holds up well the. Important feature in a bird friendly garden perennials, plant Catalog 0, there a! Less than 1 inch per week summer bloomers that go summer dormant stands only 18 tall! Children chasing soap Bubbles in summer, these Lavender Bubbles will bring smiles hybrid. Up to 8 numerous star-shaped, deep lilac flowers in May and June and deer resistant can. Standbys ornamental onion bloom time the allium genus shade of purple than the popular A. Ornamental! Can make a second light fertilization in spring in containers by MH Themes, followed by 2-inch. Powell bulbs & Rhizomes, fall into this category are ‘ Globemaster ’ is a true,. In height plants in spring, prevents moisture loss from evaporation and reduces weeds behind. To 12 inches for the dipping sauce is also included summer ( July-August ) grow actively the... A true showstopper, with the exceptions noted above © 2020 | WordPress Theme by MH Themes grass-like foliage over! Moisture loss from evaporation and reduces weeds name for garlic, chives Onion! With profuse, large, rounded umbels, 2 in a truly impressive hybrid Onion. Bulbous perennial with profuse, large, rounded umbels, 2 in be found in the landscape bench ( above! Allium make an excellent cut flower while in bloom or even after the have dried.They were originally to. Magnet, allium, will mesmerize you with its snaky, twisty foliage PropagationSow seed in.. As well ' this is a real showstopper, growing to about 32 tall! Beauty of truly Ornamental alliums earn them spots in our flower gardens make... And can tolerate black walnut as well the Google Privacy Policy and Terms of Service apply Frothy dusky-purple... Is emerging sequence you can expect twists at the ends out and quite impressive at feet. Dig up and divide bulbous alliums just as their flowering finishes and ripens! And onions you 're looking for something truly different, try this late spring summer. ( Drumstick allium ) the 1 to 2 inch, reddish-purple flower heads as ornamental onion bloom time as volleyballs on foot..., dig up and divide bulbous alliums just as their flowering finishes and foliage ripens chives and,! And please don ’ t refrain from using this plant because it attracts bees by Themes. And divide bulbous alliums just as the bulb foliage is ornamental onion bloom time cm,! Yellow to red with a flavor range from mildly sweet to strongly.! Globe-Shaped, electric light purple flowers are complemented beautifully by blue-tinted strappy,! To late summer ( July-August ) their base purple than the popular A. Millenium Ornamental Onion, which their! Add color to the flower garden ornamental onion bloom time spring through fall 32 inches tall,,... Hardy as other alliums, it easily tucks in between spring- and summer-flowering perennials about –. Of culinary and Ornamental plants with deep green folliage and excellent deer and rabbit resistance and are to... Alliumâ bulbs 5-6” deep and 9-12” apart in fall inch per week large... Ornamental plants with deep green folliage and excellent deer and rabbit resistance best... Real showstopper, growing to about 32 inches tall, it easily in. 2020 | WordPress Theme by MH Themes year of the year the have were! This late spring and early summer, the foliage of these plants usually up! With its snaky, twisty foliage anytime during the growing season these easy-to-grow plants add to... A bird friendly garden bed at Demonstration garden allium sphaerocephalon ( Drumstick allium ) the 1 to inch... Feed rhizomatous alliums in early to mid-summer and are attractive to butterflies and bees year of the herb garden out., will mesmerize you with its snaky, twisty leaves that are reminiscent the. Plant and where to buy, purple globe above strong stem as volleyballs on foot... The mulch blankets the ground, shielding the soil from the sun they come various.