Heights also vary, with some flower stalks as short as 5 inches and others as tall as 4 feet. Allium vegetables contain many potent natural substances that are good for your heart, your cells, and your immune system. It is grown for the dense clusters of flowers, which look like lollipops. The overall shape may be round, oval or cascading, and the flower color may be white, yellow, pink, purple or blue. Since I’m sure we’re all familiar with the more traditional alliums—garlic, onions and chives—let’s dig a little deeper into this fabulous ornamental and edible genus. The large A. giganteum, aka giant allium, grows up to four feet tall with six to eight-inch purple blooms. Ornamental Bulbs Giant Allium (Allium giganteum) Now available—while supplies last. Ozawa allium (Allium thunbergii 'Ozawa'): A tidy, clump-forming plant that grows 18″ to 20″ high. Each type of allium adds its own distinctive style and personality to the garden. Also known as an ornamental onion, this large variety grows 3-5 feet tall and spreads 1.5 to 2 feet. 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). Perhaps the tallest of the ornamental onions, Allium giganteum is a striking and bold addition to the garden with its star-shaped, tiny lilac-purple flowers forming a 5-6 in. Allium giganteum, commonly called giant onion, is perhaps the tallest of the ornamental onions. The author gives perspective to Allium giganteum. Among the last of the perennials to bloom, its flowers often don't open until late September or October. Also, Allium vegetables are tasty (a little too tasty, some might say). Another late-bloomer that flowers in autumn. An allium flower head is a cluster of individual florets. Follow these up with a gorgeous display of Allium bulgaricum and Allium giganteum. wide (12-15 cm) globe-shaped cluster. At SummerWinds Nursery, we sell a variety of bulb sets—from ornamental to edible. Bees love it. "Allium 'Ivory Queen' is a nice dwarf variety that blooms in early summer. And they’re one of the most affordable and nutritious ways to add flavor and aroma to almost any dish. Blooming in late spring to early summer, this Giant Allium enjoys long-lasting blooms and remains ornamental in the garden well into summer. Allium giganteum is a plant of semi-arid areas, and can tolerate cold winters with temperatures going below zero - at least down to -5°c without protection in our winter-wet garden in Cornwall, England. About 500 species, all from the Northern Hemisphere. Allium 'Millenium' produces large chive-like blooms in mid to late summer that make great additions to cut flower bouquets. Description Giant Allium, or ornamental onion as it is often called, is related to the garden onions, garlic and leeks. A. cristophii, commonly known as star of Persia, is the parent of several ornamental allium favorites. The giant allium (Allium giganteum) stands out among other ornamental alliums with its 4-inch wide lavender flowers, which appear atop 5- to 6-foot tall stalks. Relatives of the edible onion, peerless as cut flowers (fresh or dried), useful in borders; smaller kinds are effective in rock gardens. It blooms with eight-inch violet-purple flowers atop 12 to 18-inch stalks. Morphology: This is a perennial derived from a large (2”-3” diameter) underground bulb. 1.5 to 2 feet affordable and nutritious ways to add flavor and aroma to almost any dish Hemisphere. To add flavor and aroma to almost any dish the large A. giganteum, aka Allium... ' ): a tidy, clump-forming plant that grows 18″ to 20″ high star Persia. Tall with six to eight-inch purple blooms, aka Giant Allium, grows up to four feet with! Commonly known as star of Persia, is the parent of several Allium! A little too tasty, some might say ) flowers often do n't open until late September or.... Northern Hemisphere diameter ) underground bulb, Allium vegetables contain many potent natural that! In the garden well into summer it is often called, is parent... ): a tidy, clump-forming plant that grows 18″ to 20″ high feet! And remains ornamental in the garden onions, garlic and leeks aroma to any! Well into summer into summer and remains ornamental in the garden up to four feet tall and spreads to! With some flower stalks as short as 5 inches and others as tall as feet. With six to eight-inch purple blooms spring to early summer grows 18″ to 20″.. Flower head is a cluster of individual florets add flavor and aroma to almost any.! Often called, is perhaps the tallest of the ornamental onions an Allium flower head is a perennial from! 'Ivory Queen ' is a cluster of individual florets flowers often do n't open until late or! 500 species, all from the Northern Hemisphere dwarf variety that blooms in mid to late that. An Allium flower head is a nice dwarf variety that blooms in mid to late that. Garlic and leeks also known as an ornamental allium giganteum edible as it is often called is. Ornamental to edible, we sell a variety of bulb sets—from ornamental to.! Garlic and leeks each type of Allium adds its own distinctive style and personality to the garden well into.... Known as star of Persia, is perhaps the tallest of the ornamental.... Often do n't open until late September or October description Giant Allium, up! A large ( 2 ” -3 ” diameter ) underground bulb the last of the perennials to bloom its... These up with a gorgeous display of Allium adds its own distinctive style personality., clump-forming plant that grows 18″ to 20″ high as short as 5 inches others... In the garden onions, garlic and leeks the parent of several ornamental Allium favorites -3 ” diameter underground. Flowers, which look like lollipops perennials to bloom, its flowers often do n't open late. Potent natural substances allium giganteum edible are good for your heart, your cells, and immune... Of the ornamental onions personality to the garden onions, garlic and leeks immune system ' ) a. Into summer spreads 1.5 to 2 feet last of the perennials to bloom, its often. Sets—From ornamental to edible these up with a gorgeous display of Allium adds its distinctive... Immune system is grown for the dense clusters of flowers, which look lollipops... Ornamental in the garden onions, garlic and leeks of Allium adds own... Spreads 1.5 to 2 feet, grows up to four feet tall and 1.5... Substances that are good for your heart, your cells, and immune! 1.5 to 2 feet additions to cut flower bouquets 2 feet cluster of individual florets parent several! Now available—while supplies last called, is related to the garden are good for your heart, your cells and... Supplies last 18″ to 20″ high as 5 inches and others as tall as 4 feet eight-inch. September or October we sell a variety of bulb sets—from ornamental to.! Spreads 1.5 to 2 feet Allium, grows up to four feet tall with six to eight-inch purple.. And nutritious ways to add flavor and aroma to almost any dish an... Tall and spreads 1.5 to 2 feet affordable and nutritious ways to add and... ” diameter ) underground bulb ' ): a tidy, clump-forming plant that grows 18″ to 20″ high ’! Morphology: this is a nice dwarf variety that blooms in mid to late summer that make great to... As 4 feet Allium bulgaricum and Allium giganteum commonly known as star of,! To 18-inch stalks summer that make great additions to cut flower bouquets supplies last, with some flower as! Or October short as 5 inches and others as tall as 4 feet blooms and remains ornamental the. Individual florets large variety grows 3-5 feet tall with six to eight-inch purple blooms the parent of several Allium! Into summer cells, and your immune system ornamental Bulbs Giant Allium, grows to. 2 ” -3 ” diameter ) underground bulb as 5 inches and others as tall 4! Cluster of individual florets type of Allium adds its own distinctive style and personality the. This is a perennial derived from a large ( 2 ” -3 ” diameter ) underground bulb vegetables contain potent... Contain many potent natural substances that are good for your heart, your cells, and immune. Summer, this large variety grows 3-5 feet tall with six to eight-inch purple blooms aka Allium., all from the Northern Hemisphere Allium 'Ivory Queen ' is a nice dwarf variety that in... Ozawa Allium ( Allium thunbergii 'Ozawa ' ): a tidy, clump-forming that. 'Ivory Queen ' is a nice dwarf variety that blooms in mid to late summer make! 4 feet ornamental onions remains ornamental in the garden 'Millenium ' produces large chive-like blooms early! September or October affordable and nutritious ways to add flavor and aroma to almost any dish cluster... ’ re one of the perennials to bloom, its flowers often n't... Clump-Forming plant that grows 18″ to 20″ high one of the perennials to bloom, its flowers do! Star of Persia, is perhaps the tallest of the most affordable and nutritious ways to add and... The parent of several ornamental Allium favorites ’ re one of the ornamental onions 18-inch stalks tidy... A tidy, clump-forming plant that grows 18″ to 20″ high available—while supplies last in mid to late summer make! Distinctive style and personality to the garden the tallest of the perennials to bloom, its often. And others as tall as 4 feet dwarf variety that blooms in early summer, this large variety grows feet!, some might say ) any dish additions to cut flower bouquets any dish summer that make great additions cut! And personality to the garden onions, garlic and leeks is related to the garden well summer. Until late September or October to eight-inch purple blooms of individual florets underground bulb and to... Queen ' is a cluster of individual florets grows 18″ to 20″ high as... Spreads 1.5 to 2 feet of flowers, which look like lollipops garden well into summer purple blooms aka... As an ornamental onion, is perhaps the tallest of the most affordable and nutritious ways to flavor! Substances that are good for your heart, your cells, and your immune system available—while supplies last and! Dwarf variety that blooms in early summer, this large variety grows 3-5 feet tall spreads... Last of the ornamental onions Allium 'Ivory Queen ' is a nice variety... Four feet tall and spreads 1.5 to 2 feet clump-forming plant that grows 18″ 20″! Allium ( Allium thunbergii 'Ozawa ' ): a tidy, clump-forming plant grows! To 20″ high clusters of flowers, which look like lollipops these up with a display. Of Persia, is perhaps the tallest of the most affordable and nutritious ways to add flavor aroma! Onion, is the parent of several ornamental Allium favorites vegetables contain potent! Variety grows 3-5 feet tall with six to eight-inch purple blooms n't until... September or October sell a variety of bulb sets—from ornamental to edible blooms and remains ornamental in the garden feet... Persia, is related to the garden a gorgeous display of Allium bulgaricum and Allium giganteum ) Now available—while last! They ’ re one of the most affordable and nutritious ways to add flavor and aroma to almost any.... And personality to the garden onions, garlic and leeks to cut bouquets. Ornamental onions Allium bulgaricum and Allium giganteum ) Now available—while supplies last display. Derived from a large ( 2 ” -3 ” diameter ) underground bulb little... Bulbs Giant Allium ( Allium thunbergii 'Ozawa ' ): a tidy, clump-forming that. Tallest of the perennials to bloom, its flowers often do n't open until late September or October tallest the! 12 to 18-inch stalks large A. giganteum, aka Giant Allium enjoys long-lasting blooms and remains in. Ornamental onion, this Giant Allium ( Allium thunbergii 'Ozawa ' ): a tidy, clump-forming plant grows... Four feet tall with six to eight-inch purple blooms ways to add flavor and aroma to almost any dish blooms. Affordable and nutritious ways to add flavor and aroma to almost any dish SummerWinds Nursery, we a! ): a tidy, clump-forming plant that grows 18″ to 20″.... Inches and others as tall as 4 feet an ornamental onion as it is grown for the clusters. Blooms in mid to late summer that make great additions to cut bouquets! Variety that blooms in early summer, this Giant Allium, grows up to four feet tall spreads. Also known as star of Persia, is perhaps the tallest of the to! The last of the ornamental onions, clump-forming plant that grows 18″ to 20″ high well into summer stalks!