Alphabetical Plant Listing

Allium roseum (Rosy Garlic)

Rosy Garlic, Rosy-Flowered Garlic, Ornamental Onion, Spring Bulbs, Spring Flowers


Allium roseum (Rosy Garlic) is a beautiful sight with its elegant, exquisitely-scented clusters of pale to rich pink, star-shaped flowers forming umbels up to 3 in. wide (7 cm). The flowers are mounted on sturdy stems and rise above long and narrow green leaves. Blooming in late spring to early summer, this perennial bulb is long-lived in the garden, where it often forms bulbils to self-propagate.

  • Growing up to 14-16 in. high (35-40 cm), this Allium naturalizes easily and will slowly spread to form lovely colonies!
  • Easily grown in fertile, sandy to gritty, dry to medium moisture, well-drained soils in full sun. Add grit when grown in clay soils to improve drainage.
  • Known for attracting bees, butterflies, ​moths, and other pollinators, but deer ignore it.
  • Stunning in beds, borders, rock gardens, cottage gardens, or in containers. For best visual impact, plant in groups (at least 20 bulbs).
  • To be planted in fall.
  • Generally pest and disease free. Keep an eye out for onion white rot and downy mildew.
  • Propagate by seed, bulbils, or division of clumps in spring or autumn.
  • Allium roseum is native to the Mediterranean region.

Many hundreds of Allium species exist, but only a modest few have made a name for themselves as garden plants. The ornamental onions distinguish themselves by their great 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. All species can be used in the border. Certain small species are just perfect for a rock garden, and several lend themselves to naturalizing.

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.

Read More

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Requirements

Hardiness 6 – 9
Plant Type Bulbs
Plant Family Allium
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 2" (5cm)
Depth 4" (10cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Tolerance Deer, Rabbit
Attracts Bees, Butterflies
Garden Uses Beds and Borders, Patio and Containers
Garden Styles Gravel and Rock Garden, Informal and Cottage

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Great Plant Combination Ideas with Allium

Guides with Allium


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.


Requirements

Hardiness 6 – 9
Plant Type Bulbs
Plant Family Allium
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 2" (5cm)
Depth 4" (10cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Fragrant, Showy
Tolerance Deer, Rabbit
Attracts Bees, Butterflies
Garden Uses Beds and Borders, Patio and Containers
Garden Styles Gravel and Rock Garden, Informal and Cottage

Great Plant Combination Ideas with Allium

Guides with Allium

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