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Photo courtesy of Walters Gardens Inc.

Allium ‘Millenium’


Ornamental Onion

USDA Zone: 5-9

Plant number: 1.032.070


A truly impressive hybrid Ornamental Onion from Mark McDonough considered to be the best available in years. Compact upright clump of glossy, thick, green leaves with 5cm (2") rose-purple ball clusters appearing just above the foliage on strong stems in mid to late summer. Easy to grow. Leaves have a slight onion smell when crushed. Flowers are attractive to butterflies. This looks best when combined with a bushy, low-growing perennial to hide the withering onion leaves at blooming time; hardy Cranesbill Geraniums are an excellent companion. The fleshy bulbs may be lifted and divided after several years, best done after the leaves wither. The 2018 Perennial Plant of the Year as chosen by The Perennial Plant Association.

Further details for
Allium ‘Millenium’

Optimal Growing Conditions

Sun Exposure
  Full Sun
Soil Type
  Normal or
  Sandy
Soil pH
  Neutral or
  Alkaline or
  Acid
Soil Moisture
  Dry
Care Level
  Easy
Appearance and Characteristics

Flower Colour
  Mauve/Lilac
Blooming Time
  Mid Summer
  Late Summer
Foliage Color
  Deep Green
Plant Uses & Characteristics
  Accent: Good Texture/Form
  Attracts Butterflies
  Border
  Containers
  Cut Flower
  Deer Resistant
  Dried Flower
  Drought Tolerant
  Massed
Flower Head Size
  Medium
Height
   40-50 cm
   16-20 inches
Spread
   25-35 cm
   10-14 inches
Foot Traffic
   None

Growth Rate
   Medium












Allium ‘Millenium’


Ornamental Onion

USDA Zone: 5-9

Plant number: 1.032.070


A truly impressive hybrid Ornamental Onion from Mark McDonough considered to be the best available in years. Compact upright clump of glossy, thick, green leaves with 5cm (2") rose-purple ball clusters appearing just above the foliage on strong stems in mid to late summer. Easy to grow. Leaves have a slight onion smell when crushed. Flowers are attractive to butterflies. This looks best when combined with a bushy, low-growing perennial to hide the withering onion leaves at blooming time; hardy Cranesbill Geraniums are an excellent companion. The fleshy bulbs may be lifted and divided after several years, best done after the leaves wither. The 2018 Perennial Plant of the Year as chosen by The Perennial Plant Association.

Further details for
Allium ‘Millenium’

Optimal Growing Conditions

Sun Exposure
  Full Sun
Soil Type
  Normal or
  Sandy
Soil pH
  Neutral or
  Alkaline or
  Acid
Soil Moisture
  Dry
Care Level
  Easy
Appearance and Characteristics

Flower Colour
  Mauve/Lilac
Blooming Time
  Mid Summer
  Late Summer
Foliage Color
  Deep Green
Plant Uses & Characteristics
  Accent: Good Texture/Form
  Attracts Butterflies
  Border
  Containers
  Cut Flower
  Deer Resistant
  Dried Flower
  Drought Tolerant
  Massed
Flower Head Size
  Medium
Height
   40-50 cm
   16-20 inches
Spread
   25-35 cm
   10-14 inches
Foot Traffic
   None

Growth Rate
   Medium