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
Soil Type
Soil pH
Soil Moisture
Care Level
Appearance and Characteristics
Flower Colour
Blooming Time
Foliage Color
Plant Uses & Characteristics
Flower Head Size
Height 90-120 cm 35-47 inches
Spread 25-30 cm 10-12 inches
Foot Traffic
Growth Rate
Disclaimer: This information is presented for reference only. This plant is not currently part of our Heritage Perennials lineup.
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