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Returned 1692 results. Page 6 of 170.

Image of Allium senescens photo by: International Flower Bulb Centre

International Flower Bulb Centre

(Siberian Onion)

The Siberian onion, a bulbous perennial, is grown for its tiny umbels of cup-shaped pale to mid purple flowers, which bloom from mid to late summer. The flower stalks emerge from a basal clump of short, grassy leaves. Alliums belong to the onion family and thus all have the familiar pungent fragrance when their leaves or stems are crushed. The Siberian onion is native to Europe and northern Asia, where it grows in full sun and well-draining, often sandy soil.

In the fall, plant this bulb two...

Image of Allium senescens ssp. glaucum photo by: James H. Schutte

James H. Schutte

(Blue Siberian Onion)

Named for its spiraling blue-gray leaves, this North Asian native is also noted for its small dense umbels of cup-shaped lilac-pink flowers, which bloom from mid to late summer. The finger-length, flattened, strap-shaped leaves appear in spring and remain attractive all season. They emit an onion scent when crushed. The leaves and flower stems grow from narrow bulbs clustered on a shallow rhizome.

Blue Siberian onion prefers sun and well-drained soil and tolerates drought once established. Lift...

Image of Allium senescens ssp. montanum photo by: Mark Kane

Mark Kane

(Siberian Onion)

One of the few ornamental onions to bloom in late summer, this native of Europe and Central Asia bears small dense umbels of cup-shaped lilac-pink flowers on compact stems. The grassy, pungently scented leaves appear in spring and remain green all season. The leaves and flower stems grow from narrow bulbs clustered on a shallow rhizome.

Siberian onion prefers sun and well-drained soil and tolerates drought once established. Lift and divide the clumps only when they become crowded. Grow this diminutive...

Image of Allium sikkimense photo by: International Flower Bulb Centre

International Flower Bulb Centre

(Blue-flowered Ornamental Onion)

This ornamental onion, a bulbous perennial, is grown for its tiny loose umbels of bright blue or white bell-shaped nodding flowers, which bloom in early summer. The flower stalks emerge from a basal clump of long, green twisted leaves. Alliums belong to the onion family and thus all have the familiar pungent fragrance when their leaves or stems are crushed. This ornamental onion is native to China, Tibet, Nepal, and India where it grows in full sun and well-draining, often sandy soil.

In the...

Image of Allium sphaerocephalon photo by: James H. Schutte

James H. Schutte

(Drumstick Onion, Round-headed Garlic)

The drumstick onion, a bulbous perennial, is grown for its dense, egg-shaped clusters of small, greenish-pink to dark-red flowers, which bloom in the summer on tall flower stalks that emerge from a basal clump of long, linear green leaves. When crushed, the leaves and stems have the familiar, pungent fragrance of the onion family. The drumstick onion is native to Europe, Africa, and Asia, where it grows in full sun and well-drained, often sandy soil.

In the fall, plant this bulb a hand’s width...

Image of Allium stellatum photo by: Gerald L. Klingaman

Gerald L. Klingaman

(Autumn Onion, Star Onion)

Native to the prairies of central North America, this bulbous perennial is grown for its airy umbels of cup-shaped pale lilac flowers. From midsummer to late autumn the flowers emerge on bare stems after the leaves have withered.

Plant the bulbs at a depth of two to three times their diameter in fertile, well-drained soil. This plant likes ample sun and dryish summer conditions. Lift and divide the bulbs only when they become crowded. Self-sowing may occur. Plant this ethereal plant in groups...

Image of Allium stipitatum photo by: International Flower Bulb Centre

International Flower Bulb Centre

(Tall Ornamental Onion)

In late spring this bulbous perennial onion from Central Asia bears large globular heads of starry purple flowers on tall stems. The long, strap shaped, grayish-green leaves wither as the flowering stems appear. The leaves, stems, and bulbs carry the typical "onion scent".

Plant the bulbs in autumn at a depth three times their height in fertile well-drained soil and full sun. Lift and divide the clumps only when they become crowded. Plant this ornamental onion wherever you want an exclamation...

Image of Allium stipitatum

Jessie Keith

(Tall Ornamental Onion)

One of a host of ornamental onions hailing from Central Asia, Allium stipitatum bears large globular heads of purple flowers on tall stems in late spring. The flowers of the cultivar 'Mars' are an especially deep lavender purple. The long, strap shaped, grayish-green leaves wither as the flowering stems appear. The leaves, stems, and bulbs carry the typical "onion scent".

Plant the bulbs in autumn at a depth three times their height in fertile well-drained soil and full sun. Lift and...

Image of Allium stipitatum

International Flower Bulb Centre

(Tall Ornamental Onion)

One of a host of alliums native to Central Asia, this ornamental onion bears large globular heads of star-shaped flowers on tall stems in late spring. The cultivar 'Mount Everest' has snow-white flowers. The long, strap shaped, grayish-green leaves wither as the flowering stems appear. The leaves, stems, and bulbs carry the typical "onion scent".

Plant the bulbs in autumn at a depth three times their height in fertile well-drained soil and full sun. Lift and divide the clumps only when they become...

Image of Allium tricoccum photo by: Jesse Saylor

Jesse Saylor

(Ramps, Wild Leek)

This is an enormous and diverse plant genus. The onion family contains about 1250 species of herbaceous bulbous or rhizomatous plants that can be found across north temperate climates worldwide. All are perennials and cultivated forms are either grown for their ornamental flowers and foliage or as crops that yield edible greens and bulbs, such as onion, garlic, chive and leek. Species may be deciduous or evergreen and some are ephemeral.

Ornamental onions run the gamut from tiny groundcovers...