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Allium ampeloprasum (Wild Leek)

Blue Leek, Elephant Garlic, Great-Headed Garlic, Kurrat, Pearl Onion, Vine Leek, Wild Leek, Allium halleri

Allium atropurpureum, Allium nigrum var. purpureum, Spring Bulbs, Spring Flowers, Spring Bulbs, Spring Flowers,Giant Onions, Purple flowers

Allium ampeloprasum (Wild Leek) is a robust herbaceous biennial that has been cultivated for centuries. Grown for its long blanched or unblanched stems, it forms a thick, fleshy cylinder of bundled leaf sheaths that are generally blanched by pushing soil around them. Rather than producing a bulb, a swollen tubular leaf sheath is enclosed by flat, stiffly erect, blue-green to yellow-green leaves arranged in a fan-like manner. Spherical umbels of small, tightly packed, pale purple flowers, up to 500 (!), appear atop tall sturdy stems in summer. The taste of leeks is milder than those of onion and garlic. Attractive in appearance with their silvery-white base and green fan-shaped leaves, leek plants can make decorative backdrops in the garden.

  • Allium ampeloprasum has been divided into five cultivated vegetables, namely leek, elephant garlic, pearl onion, kurrat, and Persian leek.
  • Many cultivars selected for long, white, edible bases and green tops, winter hardiness, and resistance to bolting are available for cultivation.
  • There are 2 main types of leeks: early-season ((harvested in the late summer or early fall) and late-season leeks (harvested in late fall or even winter).
  • Leeks can be used in the kitchen in many ways, including casseroles, salads, stir fry, soups, and stews or eaten raw.
  • Grow up to 3-4 ft. tall (90-120 cm).
  • Performs best in full sun in organically rich, medium moisture, well-drained soils. Add grit when grown in clay soils to improve drainage.
  • No serious pest or disease issues. Keep an eye out for onion white rot, and downy mildew. Deer resistant.
  • Propagate by seed, sowing in containers in a cold frame when just ripe or in the spring.
  • Allium ampeloprasum is native to Southern Europe, northern Africa, western Asia, and Egypt, but it is cultivated in many other places and has become naturalized in many countries.

Hundreds of Allium species exist, but only a few have made a name for themselves as garden plants. The ornamental onions distinguish themselves by their remarkable diversity in color, inflorescence, and flowering height. Many species bloom in early summer – just after the spring-flowering period and just before the exuberant full bloom of summer. Certain small species are just perfect for a rock garden, and several lend themselves to naturalizing. All species can be used in the border.

Learn How To Plant And Care for Your Spring Flower Bulbs


 To achieve optimum flowering results, it is important to plant the bulbs at the right time.

Requirements

Hardiness 5 - 10
Plant Type Bulbs
Plant Family Amaryllidaceae
Genus Allium
Common names Elephant Garlic, Pearl Onion, Onion
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Height 3' - 4'
(90cm - 120cm)
Spread 1' - 2'
(30cm - 60cm)
Maintenance Average
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Native Plants United Kingdom
Tolerance Deer
Garden Uses Beds And Borders
Garden Styles Prairie and Meadow, Informal and Cottage
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Alternative Plants to Consider

Allium cepa Aggregatum Group (Shallot)
Allium cepa (Onion)
Allium sativum (Garlic)
Allium ‘Purple Rain’ (Ornamental Onion)
Allium ‘Pinball Wizard’ (Ornamental Onion)
Allium ‘Ostara’ (Ornamental Allium)

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While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 5 - 10
Plant Type Bulbs
Plant Family Amaryllidaceae
Genus Allium
Common names Elephant Garlic, Pearl Onion, Onion
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Height 3' - 4'
(90cm - 120cm)
Spread 1' - 2'
(30cm - 60cm)
Maintenance Average
Water Needs Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Native Plants United Kingdom
Tolerance Deer
Garden Uses Beds And Borders
Garden Styles Prairie and Meadow, Informal and Cottage
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Allium
Guides with
Allium
Not sure which Allium to pick?
Compare Now

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