(Blue Ornamental Onion)

Blue ornamental onion is a perennial bulb grown for its small clusters of azure blue, star-shaped flowers. In late spring to early summer, each plant puts forth multiple leafless stems topped with one flower cluster. The green strap-like foliage appears before plants bloom and often dies back before flowers the appear. This onion has a lightly oniony fragrance when its leaves or stems are crushed.

Blue ornamental onion is originates from the mountains of northern and Central Asia where it grows...

(Garden Onion, Red Onion)

Red onions are colorful and tasty in salads and sandwiches. The cultivar ‘Burgundy’ is an especially good selection for mild sweet flavor and bright color. It is a short-day variety that's best planted in fall or early winter and harvested in spring (95 days). The onions it produces are moderately good keepers.

The garden onion is a biennial or perennial widely grown as an annual vegetable. This variety produces a dense upright cluster of hollow pale green leaves that rise from a burgundy purple...

(Garden Onion, Onion)

The garden onion, 'California Wonder Red’, has a robust, somewhat sweet flavor when eaten raw and its rings look attractive on salads and sandwiches. This short-day variety is best planted in fall or early winter and harvested in spring. The onions it produces are not good keepers and should be consumed within a month or so after harvest.

The garden onion is a biennial or perennial widely grown as a root vegetable. Garden onions are categorized according to the day length needed for bulb formation....

(Garden Onion, Red Onion)

The onion bulbs produced by 'Red Burgermaster' are large, red-skinned and have a pungent flavor. This vigorous, hybrid, long-day onion (100-110 days) is an excellent keeper that’s ideal for slicing and eating on hamburgers, sandwiches, or in salads.

The garden onion is a biennial or perennial widely grown as a root vegetable. Long day selections like this grow well in many states across the United States, particularly central or southern states. The plants have long, waxy green leaves that...

(Garden Onion, Sweet Yellow Onion)

This disease-resistant "super-sweet" onion is one of several developed for Texas commercial growers by the Texas Agricultural Experiment Station in Weslaco. It is among the most widely grown and sold onion varieties in the United States.

The garden onion is a herbaceous biennial commonly grown as an annual vegetable. Pale hollow green leaves and long flower stems arise from bulbs with papery outer coverings. This variety develops spherical, yellow-skinned, softball-sized onions that keep well...

(Garden Onion, Sweet Onion, Vidalia Onion)

The garden onion is a biennial widely grown as a vegetable. Pale hollow green leaves and long flower stems that sometimes have bulbils rather than flowers arise from bulbs with papery outer coverings. Vidalia onions are yellow, sweet-flavored onions grown in the vicinity of Vidalia, Georgia.

Garden onions are categorized by the day length at which they form bulbs. Vidalia onions require short days (10 to 12 hours) to form plump bulbs. They are thus usually planted in fall or early winter, for...

(Scallion, Shallot)

Onions in the Aggregatum Group produce numerous small bulbs rather than a single large bulb. Like other varieties of garden onion (known collectively as Allium cepa), they are biennials that originated in Central Asia but that are unknown in the wild.

The pale- to mid-green, hollow, awl-shaped leaves of these onions arise from clusters of small papery-coated bulbs. Some varieties produce globular heads of greenish-white flowers on upright stems in the summer of their second year. Hot...

(Fragrant Yellow Onion, Yellow Ornamental Onion)

Yellow ornamental onion is a compact bulbous perennial grown for its bright yellow, wispy flower clusters that appear in late spring to summer. Each cluster, or umbel, bears up to 60 bell-shaped flowers with prominent stamens; the flowers nod down as they open. Its clumps of slender blue-green leaves grasp the base of each leafless stem.

This allium is native to Europe and western Asia where it grows in full sun and well-drained, often sandy, soil. Bulbs should be planted in the autumn under...

(Giant Flowering Onion, Giant Ornamental Onion)

During the summer, the giant flowering onion reaches the height of many adults. Atop this long stem sits a lavender-pink globe the size of an orange. Each globe contains fifty or more star-shaped flowers with prominent stamens. Long, strappy leaves whither before this giant emerges. The giant onion is native to central Asia, where it grows in well-drained, often sandy soil in full sun.

Plant this bulb in the autumn six inches deep (15 cm)in well-drained neutral soil. Onions are drought tolerant...

(Dutch Ornamental Onion)

Dutch ornamental onion sprouts a softball-sized globe of purplish pink, star-shaped flowers in the summer. The flower stalk rises several feet as the large, strappy leaves die back. This species is a natural hybrid variant of Allium aflatunense, which is native to central Asia. Alliums are in the onion family and thus release the familiar pungent fragrance when their leaves or stems are crushed. It thrives in well-drained, even sandy, neutral soil in full sun.

Plant this bulb in the...