Plus, butterflies and other pollinators love alliums and will visit the landscape in large numbers. Grow in fertile, but well-drained soil. Gladiator Ornamental Onion will grow to be about 14 inches tall at maturity extending to 4 feet tall with the flowers, with a spread of 15 inches. Suggested uses. They naturalize quite well, returning year after year with increased vigor and blooms. If it is a worthwhile plant then you can plant the baby bulbs and grow them on. Allium 'Gladiator' Each one contains three little black seeds.. They spread like that and some of them SPREAD!. For extra flair, plant shorter-stemmed blooms in from of the leafless stalks of Gladiator. 1 bulb per bag. Architectural, Cottage/Informal, Flower Arranging, Beds and borders, Gravel. Allium Giant 'Gladiator' Ornamental Onion . What Are Ornamental Alliums? Let’s jump in. Cultivation. Our Favorite Allium Varieties. Many varieties of allium have a strong geometric shape. Tall varieties of allium such as Summer Drummer Allium, White Giant Allium, Allium giganteum, and Gladiator Allium are best planted in the back of a planting area. Some Alliums are devils for forming bulbs on the old flowering stems. Large flowering allium, such as Gladiator are best planted in groups of 3 or 5, you can plant 3 bulbs per square foot for the best affect. The most commonly available are Allium cernuum (nodding onion), A. stellatum (prairie onion), A. unifolium (American garlic) and A. amplectens (narrowleaf onion). Allium bulbs are splendid for naturalizing if planted in rich, well drained soil Scent keeps deer, rodents & rabbits at a distance Beloved by bees, butterflies & pollinators » Massive 8-10" globe shaped flowers » Blooms in Late Spring - Early Summer Alliums make wonderful cut flowers. Photo by ‘Gardener’s Supply‘. Plant in groups of three or more for best effect. Allium Gladiator - Common name:Ornamental Onion - Large dense blooms of fuchsia, lilac and amethyst flowers the size of a softball, bloom atop 3-5' leafless stems. Although they aren’t high maintenance, they do have some specific requirements. Note that some alliums have made their way onto noxious weed lists as they can self-sow prolifically. In addition to these garden-worthy types, there are dozens of other species that are native to North America. The flowers are large round and purple, growing 6-8" in diameter, in late Spring to Early Summer. Hi Paula – Allium ‘Millenium’ is an herbaceous allium, which means it grows from a clump of roots (like most other perennials) rather than from bulbs (like Gladiator or Purple Sensation). Learn how to make a beautiful bouquet with them in this helpful post The Starring Ingredient of a Stunning Bouquet by Slow Flowers with Debra Prinzing.In her post, she shares a step-by-step guide on how to take fresh-from-the-field flowers and put them into a … Ornamental or flowering alliums are part of the Allium genus, members of the Amaryllidaceae family that includes garlic, leeks, and onions.. Do not cut back the browning allium leaves until fall, that is how they store energy for flowers the next season. In addition to the globe-shaped blooms, many varieties of allium are tall, growing over 4′ when mature. They have an undeniable charm, and those balloon like blooms are a great conversation piece. If not then remove and bin!. Spread: 1' - 2' (30cm - 60cm) Allium 'Gladiator' (Ornamental Onion) Award-winner Allium 'Gladiator' is one of the tallest and most architectural onions with its inflorescence consisting of dozens of small star-shaped reddish-purple flowers forming a 6 inches across (15 cm) globe-shaped cluster. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 5 years. The normal bloom time is midsummer, so you won’t see any flowers until then. Allium 'Gladiator' (Allium 'Gladiator') will reach a height of 1.5m and a spread of 0.5m after 2-5 years. Gladiator – A giant variety. (This is why planting foliage plants around them is important.) Allium Gladiator blooms are pleasantly fragrant and this plant is an easy and prolific addition to the garden. The seed heads look like tiny (2 mm across or so) three cornered green hats. Will visit the landscape in large numbers the flowers are large round and purple growing... 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