Allium giganteum
Giant Flowering Onion |
USDA Zone: 4-9 |
Plant number: 1.032.090
A truly impressive Ornamental Onion, featuring big round heads of mauve-purple flowers in late spring. The tall stems are excellent for cutting or drying. 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. Plants go completely dormant during the summer. The fleshy bulbs may be lifted and divided after several years, best done in mid summer after the leaves wither or in early autumn.
Further details for
Allium giganteum
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 Early Summer Late Spring
Foliage Color Grey Green
Plant Uses & Characteristics Accent: Good Texture/Form Attracts Butterflies Border Containers Cut Flower Deer Resistant Dried Flower Drought Tolerant Massed
Flower Head Size Large
Height 90-120 cm 35-47 inches
Spread 25-30 cm 10-12 inches
Foot Traffic None
Growth Rate Medium
Disclaimer: This information is presented for reference only. This plant is not currently part of our Heritage Perennials lineup.
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